Rheem water heaters

231 basic models and 798 listed models.

Rheem basic models and their certified figures
Basic model	Type	Storage volume (gal)	UEF	Flow at a 67°F rise (gal/min)	First-hour rating (gal)	Recovery efficiency	Model numbers
88H40*	Tabletop	36	0.81	—	50	98%	1PZ87, 88H40*, 88H40DGR, XE40H06TT45U0
AM004120T	Electric tankless	—	0.94	0.3	—	93%	RTEH004120MV
AM004277T	Electric tankless	—	0.94	0.4	—	92%	RTEH004277MV
AM005240T	Electric tankless	—	0.96	0.5	—	96%	RTEH005240MV
AM007240T	Electric tankless	—	0.95	0.6	—	94%	RTEH007240MV
AM008277T	Electric tankless	—	0.96	0.8	—	95%	RTEH008277MV
AM010240T	Electric tankless	—	0.96	0.9	—	94%	RTEH010240MV
AM010277T	Electric tankless	—	0.96	1.0	—	95%	RTEH010277MV
AM012240T	Electric tankless	—	0.95	1.1	—	93%	RTEH012240MV
ECO 11	Electric tankless	—	0.92	1.2	—	92%	RETEX-11, RMTEX-11, RTEX-11
ECO 8	Electric tankless	—	0.96	0.7	—	93–98%	RETEX-08, RETEX-AB7, RETEX-AB7-C, RMTEX-08, RMTEX-AB7, RMTEX-AB7-C, RTEX-08, RTEX-AB7
ECO POU 3.5	Electric tankless	—	0.95	0.3	—	98%	RETEX-04, RETEX-04T, RMTEX-04, RMTEX-04T, RTEX-04, RTEX-04T
ECO POU 6	Electric tankless	—	0.94	0.5	—	98%	RETEX-06, RETEX-06T, RMTEX-06, RMTEX-06T, RTEX-06, RTEX-06T
ECO18	Electric tankless	—	0.94	1.7	—	98%	RETEX-18, RMTEX-18, RTEX-18
ECO24	Electric tankless	—	0.93	2.4	—	98%	RETEX-24, RMTEX-24, RTEX-24
ECO27	Electric tankless	—	0.93	2.5	—	98%	RETEX-27, RMTEX-27, RTEX-27
ECO36	Electric tankless	—	0.94	3.5	—	98%	RETEX-36, RMTEX-36, RTEX-36
PRO H40 T2 RH310BM	Heat pump	36	3.50	—	60	430%	CPROPH40 T2 RH350BM, ECE H40 T2 RH310BM, ECEPH40 T2 RH350BM, PRO H40 T2 RH310BM
PRO H40 T2 RH310UM	Heat pump	36	3.50	—	60	430%	PRO H40 T2 RH310UM
PRO H50 T2 RH310BM	Heat pump	45	3.50	—	67	400%	CPROPH50 T2 RH350BM, ECE H50 T2 RH310BM, ECEPH50 T2 RH350BM, PRO H50 T2 RH310BM
PRO H50 T2 RH310UM	Heat pump	45	3.50	—	67	400%	PRO H50 T2 RH310UM
PRO H65 T2 RH310BM	Heat pump	59	3.50	—	75	409%	CPRO H65 T2 RH310BM, CPROPH65 T2 RH350BM, ECEPH65 T2 RH350BM, PRO H65 T2 RH310BM
PRO H65 T2 RH310UM	Heat pump	59	3.50	—	75	409%	PRO H65 T2 RH310UM
PRO H80 T2 RH310BM	Heat pump	72	3.50	—	87	398%	CPROPH80 T2 RH350BM, ECE H80 T2 RH310BM, ECEPH80 T2 RH350BM, PRO H80 T2 RH310BM
PRO H80 T2 RH310UM	Heat pump	72	3.50	—	87	398%	PRO H80 T2 RH310UM
PRO+G38-40N RH69 PD	Gas storage	37	0.68	—	66	77%	D RP40-40E2, PRO+G38-36P RH69 PD, PRO+G38-40N RH69 PD, PRO+G40T-36P CN69 PD, PRO+G40T-40N CN69 PD, PROG40T-36P CN69 PD, PROG40T-40N CN69 PD, PROPG38-36P RH69 PD, PROPG38-40N RH69 PD, RC RP150E2, XG40T12DM40U0, XP40T12DM36U0
PRO+G40-38U RH67 PD*	Gas storage	38	0.64	—	67	75%	PRO+G40-38U RH67 PD, PROPG40-38U RH67 PD, XG40T12DU38U*
PRO+G40S-40N RH67 PD	Gas storage	39	0.65	—	69	75%	D RP40S-40E2, PRO+G40S-36P CN67 PD, PRO+G40S-40N CN67 PD, PRO+G40S-40N RH67 PD, PROG40S-36P CN67 PD, PROG40S-40N CN67 PD, RC RP150SE2, XG40S12DM40C0, XG40S12DM40U0, XP40S12DM36U0
PRO+G50-38U RH67 PD*	Gas storage	48	0.68	—	86	78%	PRO+G50-38U RH67 PD, PROPG50-38U RH67 PD, XG50T12DU38U*
PRO+G50-40N RH67 PD	Gas storage	48	0.69	—	79	77%	12CG50-36PE2, 12CG50-40E2, 6CG50-36PE2, 6CG50-40E2, 9CG50-36PE2, D RP50-40E2, PRO+G50-36P RH67 PD, PRO+G50-40N RH67 PD, PRO+G50T-36P CN67 PD, PRO+G50T-40N CN67 PD, PROG50T-36P CN67 PD, PROG50T-40N CN67 PD, PROPG50-36P RH67 PD, PROPG50-40N RH67 PD, RC RP180E2, XG50T12DM40U0, XP50T12DM36U0
PRO+G50-47P RH62 PDV	Gas storage	48	0.65	—	81	72%	GPDV50-65LP, PRO+G50-47P RH62 PDV
PRO+G50-50N RH67 PD	Gas storage	48	0.69	—	84	79%	PRO+G50-50N RH67 PD
PRO+G50-65N RH62 PDV	Gas storage	48	0.65	—	111	72%	GPDV50-65, PRO+G50-65N RH62 PDV
PRO+G50S-40N RH67 PD	Gas storage	48	0.69	—	78	77%	D RP50S-40E2, PRO+G50S-36P CN67 PD, PRO+G50S-40N CN67 PD, PRO+G50S-40N RH67 PD, PROG50S-36P CN67 PD, PROG50S-40N CN67 PD, XG50S12DM40C0, XG50S12DM40U0, XP50S12DM36U0
PRO+G55-45U RH59 EC1*	Gas storage	55	0.62	—	99	76%	PRO+G55-45U RH59 EC1, XG55T06EN45U
PRO+G55-50N RH59	Gas storage	55	0.62	—	91	75%	PRO+G55-45P RH59, PRO+G55-50N RH59
PROE28 S2 RH93 SB	Electric storage	26	0.92	—	48	98%	PROE28 S2 RH93 SB, XE28S06SB38U1, XE28S06SB45U1
PROE28 S2 RH93 SB-HO	Electric storage	26	0.94	—	53	98%	PROE28 S2 RH93 SB-HO, XE28S06SB55U1
PROE28 S2 RH95	Electric storage	25	0.92	—	45	98%	ELDS30-FTB, ELDS30-TB, PROE28 S1 RH95, PROE28 S2 RH95, XE28S06ST38P0, XE28S06ST38U0, XE28S06ST45U0
PROE28 S2 RH95 B	Electric storage	26	0.92	—	45	98%	PROE28 S2 RH95 B, XE28S06STB38P1, XE28S06STB38U1, XE28S06STB45U1
PROE30 2 RH95 MH	Electric storage	27	0.92	—	47	98%	E30 2 RH MH
PROE30 T2 RH95	Electric storage	27	0.92	—	44	98%	84X30-2, E30 1 RH95, E30 2 RH95, E30 2 RH95 (FEMA), ELD30-FTB, ELD30-TB, PROE30 T1 RH95, PROE30 T2 RH95, XE30T06ST38P1, XE30T06ST38U1, XE30T06ST45U1
PROE36 S2 RH CG	Electric storage	33	0.92	—	51	98%	PROE36 S2 RH CG, XE36S06CG45U0
PROE36 S2 RH95	Electric storage	33	0.92	—	34–46	98%	ELDS40-FTB, ELDS40-TB, PROE36 S2 RH95, XE36S06ST38P0, XE36S06ST38U0, XE36S06ST45U0
PROE38 S2 RH BCG	Electric storage	35	0.92	—	51	98%	PROE38 S2 RH BCG, XE38S06CG38U0, XE38S06CG45U0
PROE38 S2 RH93 SB	Electric storage	35	0.94	—	59	98%	PROE38 S2 RH93 SB, XE38S06SB45U1, XE38S06SB55U1, XE38S06SB60U1
PROE38 S2 RH93 SB-LO	Electric storage	35	0.93	—	42	98%	PROE38 S2 RH93 SB-LO, XE38S06SB38U1
PROE38 S2 RH95 B	Electric storage	35	0.92	—	51	98%	PROE38 S1 RH95 B, PROE38 S2 RH95 B, XE38S06ST45U1
PROE40 2 RH95 MH	Electric storage	36	0.93	—	53	98%	E40 2 RH MH, PROE40 1 RH95 MH, XE40T06MH45U1
PROE40 M2 RH95	Electric storage	36	0.93	—	52–55	98%	84X40, E40 1 RH95, E40 2 RH95, E40 2 RH95 (FEMA), ELD40-FTB, ELD40-TB, PRO+E40 M2 RH CG, PRO+E40 M2 RH93 CL, PROE40 M2 RH CG, PROE40 M2 RH95, PROPE40 M2 RH CG, PROPE40 M2 RH93 CS, XE40M06CG38U0, XE40M06CG45U0, XE40M06ST38P1, XE40M06ST38U1, XE40M06ST45U1, XE40M09CG45U0, XE40M09CG55U0, XE40M09EL45U1, XE40M09EL55U1, XE40M12CG45U0, XE40M12CG55U0, XE40M12CS45U0, XE40M12CS55U1, XE40M12ST45U1
PROE40 T2 RH CG	Electric storage	36	0.92	—	55	98%	PROE40 T2 RH CG, XE40T06CG45U0, XE40T09CG45U0, XE40T09CG55U0
PROE40 T2 RH95	Electric storage	36	0.93	—	55	98%	84XH40, PROE40 T1 RH95, PROE40 T2 RH95, XE40T06ST45U1, XE40T09EL45U1
PROE47 S2 RH CG	Electric storage	43	0.92	—	54	98%	PROE47 S2 RH CG, XE47S06CG45U0
PROE47 S2 RH95	Electric storage	43	0.93	—	54	98%	6ES50-D, ELDS52-FTB, ELDS52-TB, PROE47 S1 RH95, PROE47 S2 RH95, PROE47 S2 RU95, XE47S06ST45U1
PROE50 2 RH95 MH	Electric storage	45	0.92	—	55	98%	E50 1 RH MH, E50 2 RH MH, PROE50 1 RH95 MH, PROE50 2 RH95 MH
PROE50 M2 RH95	Electric storage	45	0.93	—	61–62	98%	84MX52, PROE50 M1 RH95, PROE50 M2 RH95, XE50M06ST45U1, XE50M09EL45U1, XE50M09EL55U1, XE50M12ST45U1
PROE50 T2 RH95	Electric storage	45	0.93	—	61–63	98%	84X52, E50 1 RH95, E50 2 RH95, ELD52-FTB, ELD52-TB, PRO+E50 T1 RH95, PROE50 T1 RH95, PROE50 T2 RH95, XE50T06ST45U1, XE50T09EL45U1, XE50T09EL55U1, XE50T12ST45U1
PROE55 T2 RH94	Electric storage	55	0.92	—	72	98%	84X55, PROE55 T2 RH94
PROG29-30U RH63 EC1*	Gas storage	28	0.60	—	51	78%	24X30FN, PRO+G29-30U RH63 EC1, PROG29-30U RH63 EC1, XG29T06EN30U
PROG29-31U RH EC1	Gas storage	28	0.60	—	58	74%	PROG29-31U RH EC1, XG29T06EN31U0
PROG29-32N RH63 *	Gas storage	28	0.60	—	63	74%	24X30F1 , PROG29-30P RH63, PROG29-32N RH63 , PROG29-32N RU63 *
PROG30-30N RH63 MH DV	Gas storage	29	0.57	—	46	78%	24IR30DV1, PROG30-30N RH63 MH DV, XG30T06MD30U1
PROG30-32N RH63 MH *	Gas storage	28	0.60	—	52	75%	24I30FT1 , PROG30-32N RH63 MH , XG29T06MH32U1 *
PROG30S-30N RH63	Gas storage	29	0.60	—	51	75%	PROG30S-30N RH63
PROG39S-38U RH62 EC1*	Gas storage	37	0.59	—	68	75%	44X40SFN, PROG39S-38U RH62 EC1, XG39S06EN38U*
PROG40-30P RH62 DV	Gas storage	38	0.58	—	58	71%	PROG40-30P RH62 DV
PROG40-34N RH62 MH	Gas storage	38	0.59	—	57	75%	24I40FT1, PROG40-34N RH62 MH, XG40T06MH34U1
PROG40-34U RH EC1	Gas storage	38	0.59	—	71	75%	PROG40-34U RH EC1, PROG40-34U RH EC1 TT, XG40T06EN34U0, XG40T06TN34U0
PROG40-36N RH62 MH DVX	Gas storage	38	0.60	—	63	74%	24I40FDVX, PROG40-36N RH62 MH DVX
PROG40-36P RH67 PV	Gas storage	38	0.68	—	71	79%	PROG40-36P RH67 PV, XP40T06PV36U0
PROG40-36U RH67 PV*	Gas storage	39	0.64	—	67	74%	PROG40-36U RH67 PV, XG40T06PN36U
PROG40-38N RH62	Gas storage	38	0.58	—	64	74%	24X40F2, PROG40-36N RH62, PROG40-38N RH62, PROG40-38N RH62 TT
PROG40-38U RH62 EC1*	Gas storage	38	0.58	—	71	76%	24X40FN, PRO+G40-38U RH62 EC1 TT, PRO+G40-38U RH62 EC1, PROG40-38U RH62 EC1 TT, PROG40-38U RH62 EC1, XG40T06EN38U, XG40T06TN38U, XG40T09EN38U, XG40T12EN38U*
PROG40-40N RH62	Gas storage	38	0.66	—	84	80%	42XR40-40F3, PRO+G40-36P RH AX, PRO+G40-36P RH62, PRO+G40-40N RH AX, PRO+G40-40N RH62, PROG40-36P RH AX, PROG40-36P RH62, PROG40-40N RH AX, PROG40-40N RH62, PROG40-40N RH62 TT
PROG40-40N RH67 PDV	Gas storage	38	0.63	—	67	79%	PROG40-38P RH67 PDV, PROG40-40N RH67 PDV
PROG40-40N RH67 PV	Gas storage	38	0.70	—	79	76%	PROG40-40N RH67 PV, XG40T06PV40U0
PROG40S-34N RH62 *	Gas storage	38	0.59	—	65	75%	24X40SF1 , PROG40S-31P RH62, PROG40S-34N RH62
PROG40S-36N RH67 PV	Gas storage	39	0.65	—	66	74%	D PVS40-36E2, PRO+G40S-32P CN67 PV, PRO+G40S-36N CN67 PV, PROG40S-32P CN67 PV, PROG40S-32P RH67 PV, PROG40S-36N CN67 PV, PROG40S-36N RH67 PV, XG40S06PV36C0, XG40S06PV36U0, XP40S06PV32U0
PROG40S-38N RH62	Gas storage	39	0.58	—	65	77%	42X40SF3, PROG40S-35P RH62, PROG40S-38N RH62
PROG40S-40N RH62	Gas storage	39	0.58	—	66	75%	P2R-40SF, PRO+G40S-36P RH62, PRO+G40S-40N RH62, PROG40S-36P RH62, PROG40S-40N RH62
PROG48-48U RH EC1	Gas storage	46	0.64	—	88	77%	PROG48-48U RH EC1, XG50T06EN48U0
PROG50-34U RH EC1	Gas storage	48	0.63	—	80	79%	PROG50-34U RH EC1, PROG50-34U RH EC1 TT, XG50T06EN34U0, XG50T06TN34U0
PROG50-36N RH60 MH DVX	Gas storage	48	0.58	—	65	73%	24I50FDVX, PROG50-36N RH60 MH DVX
PROG50-38N RH60 *	Gas storage	48	0.64	—	85	83%	24X50F2, 24X50PF2, PROG50-36P RH60, PROG50-38N RH60 *, PROG50-38N RH60 TT
PROG50-38U RH60 EC1*	Gas storage	48	0.63	—	86	83%	24X50FN, PRO+G50-38U RH62 EC1, PROG50-38U RH60 EC1 TT, PROG50-38U RH60 EC1, XG50T06EN38U, XG50T06TN38U, XG50T09EN38U, XG50T12EN38U
PROG50-38U RH62 EC1*	Gas storage	48	0.64	—	84	79%	PRO+G50-38U RH62 EC1 TT, PROG50-38U RH62 EC1, XG50T06HN38U, XG50T09HN38U, XG50T12HN38U*
PROG50-38U RH67 PV*	Gas storage	48	0.68	—	86	77%	PROG50-38U RH67 PV, XG50T06PN38U
PROG50-40N RH62	Gas storage	48	0.65	—	76	81%	42XR50-36PF3, 42XR50-40F3, PH2R50-40F3, PRO+G50-36P RH62, PRO+G50-40N RH62, PROG50-36P RH62, PROG50-40N RH62, PROG50-40N RH62 TT
PROG50-40N RH67 PDV	Gas storage	47	0.69	—	82	81%	DE PDV50-40, PDV50, PRO+G50T-40N CN67 PDV, PRO+G50T-40P CN67 PDV, PROG50-40N RH67 PDV, PROG50-40P RH67 PDV, PROG50T-40N CN67 PDV, PROG50T-40P CN67 PDV, XG50T06PD40C0
PROG50-42N RH67 PV	Gas storage	48	0.68	—	78	75%	PROG50-42N RH PV AX, PROG50-42N RH67 PV, PROG50-42P RH PV AX, PROG50-42P RH67 PV, XG50T06PV42U0, XG50T06PVX42U0, XP50T06PV42U0, XP50T06PVX42U0
PROG50S-36N RH67 PV	Gas storage	48	0.70	—	78	79%	D PVS50-36E2, PRO+G50S-32P CN67 PV, PRO+G50S-36N CN67 PV, PROG50S-32P CN67 PV, PROG50S-32P RH67 PV, PROG50S-36N CN67 PV, PROG50S-36N RH67 PV, RC PVS180E2, XG50S06PV36C0, XG50S06PV36U0
PROG50S-40N RH61	Gas storage	48	0.63	—	87	75%	PRO+G50S-36P RH61, PRO+G50S-40N RH61, PROG50S-36P RH61, PROG50S-40N RH61
PROG50S-40U RH60 EC1*	Gas storage	48	0.63	—	85	83%	PROG50S-40U RH60 EC1, XG50S06EN40U
PROP G40-50* RH HE EC3	Gas storage	40	0.90	—	88	97%	ECE G40-50U CN HE, PRO+G40-50P RH HE EC1, PRO+G40-50U RH HE EC1, PROP G40-50 CN HE*, PROP G40-50 RH HE EC3, XG40S12UHN50, XG40T09UHN50U0, XP40S12UHC50, XP40T09UHC50U0
PROP G50-100* RH HE EC3	Gas storage	50	0.89	—	167	96%	ECE G50-100U CN HE EC3, PROP G50-100* CN HE EC3, PROP G50-100* RH HE EC3, XG50T12UHN100*0, XP50T12UHC100U0
PROP G50-50* RH HE EC3	Gas storage	50	0.88	—	95	94%	ECE G50-50U CN HE, PRO+G50-50P RH HE EC1, PRO+G50-50U RH HE EC1, PROP G50-50 CN HE*, PROP G50-50 RH HE EC3, XG50T09UHN50U0, XG50T12UHN50, XP50T09UHN50U0, XP50T12UHC50
PROP G50-76* RH HE EC3	Gas storage	50	0.89	—	136	95%	ECE G50-76U CN HE, ECE G50-76U CN HE EC3, PROP G50-76* CN HE EC3, PROP G50-76* RH HE EC3, PROP G50-76P CN HE, PROP G50-76U CN HE, XG50T12UHN76*0, XP50T12UHC76U0
PROPG75-100U RH HE EC3	Gas storage	75	0.88	—	199	95%	PROPG75-100P RH HE EC3, PROPG75-100U RH HE EC3, XG75T12UHN100U0, XP75T12UHC100U0
PROPH40 T0 RH120	Heat pump	37	2.59	—	43	355%	PROPH40 T0 RH120, XE40T10H15U0
PROPH40 T0 RH120-M	Heat pump	36	2.80	—	45	387%	PROPH40 T0 RH120-M, PROPH40 T0 RH120-MSO, XE40T10HM00U0, XE40T10HMS00U0
PROPH40 T2 RH375-15	Heat pump	36	3.45	—	46	432%	CPROPH40 T2 RH400-15, ECEPH40 T2 RH400-15, PROPH40 T2 RH375-15, PROPH40 T2 RH400-15
PROPH40 T2 RH375-30	Heat pump	36	3.83	—	60	434%	PROPH40 T2 RH375-30
PROPH40 T2 RH375-SO	Heat pump	36	3.83	—	60	434%	CPROPH40 T2 RH400-30, CPROPH40 T2 RH400-SO, CXE40T10H45U1, CXE40T10HS45U1, CXE40T10HS45UO, ECEPH40 T2 RH400-30, ECEPH40 T2 RH400-SO, PROPH40 T2 RH375-SO, PROPH40 T2 RH400-30
PROPH40 T2 RH400-15	Heat pump	36	3.45	—	46	432%	PROPH40 T2 RH400-15
PROPH40 T2 RH400-30	Heat pump	36	3.83	—	60	434%	PROPH40 T2 RH400-30
PROPH40 T2 RH400-SO	Heat pump	36	3.83	—	60	434%	PROPH40 T2 RH400-SO
PROPH40 T2 RH400-Z30	Heat pump	36	3.83	—	60	434%	PROPH40 T2 RH400-Z30
PROPH50 T0 RH120	Heat pump	46	3.00	—	51	350%	PROPH50 T0 RH120, XE50T10H15U0, XE50T10HD00U0
PROPH50 T0 RH120-M	Heat pump	46	3.00	—	55	367%	PROPH50 T0 RH120-M, PROPH50 T0 RH120-MSO, XE50T10HM00U0, XE50T10HMS00U0
PROPH50 T2 RH375-15	Heat pump	45	3.75	—	52	423%	CPROPH50 T2 RH400-15, CXE50T10H22U1, ECEPH50 T2 RH400-15, PROPH50 T2 RH375-15, PROPH50 T2 RH400-15
PROPH50 T2 RH375-SO	Heat pump	45	3.88	—	67	430%	CPROPH50 T2 RH375-SO, CPROPH50 T2 RH400-30, CPROPH50 T2 RH400-SO, CXE50T10H45U1, CXE50T10HS45U1, ECEPH50 T2 RH375-SO, ECEPH50 T2 RH400-30, ECEPH50 T2 RH400-SO, HPLD50-1RH, HPLD50-2RH, PROPH50 T2 RH375-30, PROPH50 T2 RH400-30, PROPH50 T2 RH400-SO, XE50T10H45U1, XE50T10HS45U0, XE50T10HS45U1
PROPH50 T2 RH400-15	Heat pump	45	3.75	—	52	423%	PROPH50 T2 RH400-15
PROPH50 T2 RH400-30	Heat pump	45	3.88	—	67	430%	HPLD50-1RH, HPLD50-2RH, PROPH50 T2 RH375-30, PROPH50 T2 RH400-30, PROPH50 T2 RH400-SO, PROPH50 T2 RH400-Z30, XE50T10H45U1, XE50T10HS45U0, XE50T10HS45U1, XE50T10HZ45U1
PROPH65 T0 RH120-M	Heat pump	59	3.12	—	63	398%	PROPH65 T0 RH120-M, PROPH65 T0 RH120-MSO, XE65T10HM00U0, XE65T10HMS00U0
PROPH65 T2 RH375-15	Heat pump	59	3.55	—	54	407%	CPROPH65 T2 RH375-15, CPROPH65 T2 RH400-15, CXE65T10H22U1, ECEPH65 T2 RH400-15, PROPH65 T2 RH375-15, PROPH65 T2 RH400-15
PROPH65 T2 RH375-30	Heat pump	59	4.05	—	75	457%	PROPH65 T2 RH375-30
PROPH65 T2 RH375-SO	Heat pump	59	4.05	—	75	457%	CPROPH65 T2 RH375-SO, CPROPH65 T2 RH400-30, CPROPH65 T2 RH400-SO, CXE65T10H45U1, CXE65T10HS45U1, ECEPH65 T2 RH400-30, ECEPH65 T2 RH400-SO, PROPH65 T2 RH375-SO, PROPH65 T2 RH400-30
PROPH65 T2 RH400-15	Heat pump	59	3.55	—	54	407%	PROPH65 T2 RH400-15
PROPH65 T2 RH400-30	Heat pump	59	4.05	—	75	457%	PROPH65 T2 RH400-30
PROPH65 T2 RH400-SO	Heat pump	59	4.05	—	75	457%	PROPH65 T2 RH400-SO
PROPH65 T2 RH400-Z30	Heat pump	59	4.05	—	75	457%	PROPH65 T2 RH400-Z30
PROPH80 T0 RH120-M	Heat pump	72	3.46	—	84	393%	PROPH80 T0 RH120-M, PROPH80 T0 RH120-MSO, XE80T10HM00U0, XE80T10HMS00U0
PROPH80 T2 RH375-15	Heat pump	72	3.70	—	67	445%	CPROPH80 T2 RH375-15, CPROPH80 T2 RH400-15, CXE80T10H22U1, ECEPH80 T2 RH400-15, PROPH80 T2 RH375-15, PROPH80 T2 RH400-15
PROPH80 T2 RH375-SO	Heat pump	72	4.07	—	87	447%	CPROPH80 T2 RH375-SO, CPROPH80 T2 RH400-30, CPROPH80 T2 RH400-SO, CXE80T10H45U1, CXE80T10HS45U1, CXE80T10HS45UO, ECEPH80 T2 RH375-SO, ECEPH80 T2 RH400-30, ECEPH80 T2 RH400-SO, HPLD80-1RH, HPLD80-2RH, PROPH80 T2 RH375-30, PROPH80 T2 RH400-30, PROPH80 T2 RH400-SO, XE80T10H45U1, XE80T10HS45U0, XE80T10HS45U1
PROPH80 T2 RH400-15	Heat pump	72	3.70	—	67	445%	PROPH80 T2 RH400-15
PROPH80 T2 RH400-30	Heat pump	72	4.07	—	87	447%	HPLD80-1RH, HPLD80-2RH, PROPH80 T2 RH375-30, PROPH80 T2 RH400-30, PROPH80 T2 RH400-SO, PROPH80 T2 RH400-Z30, XE80T10H45U1, XE80T10HS45U0, XE80T10HS45U1, XE80T10HZ45U1
PROUH40 T2 RH350BM	Heat pump	36	3.50	—	60	423%	PROUH40 T2 RH350BM
PROUH40 T2 RH350UM	Heat pump	36	3.50	—	60	423%	PROUH40 T2 RH350UM
PROUH50 T2 RH350BM	Heat pump	45	3.50	—	67	400%	PROUH50 T2 RH350BM
PROUH50 T2 RH350UM	Heat pump	45	3.50	—	67	400%	PROUH50 T2 RH350UM
PROUH65 T2 RH350BM	Heat pump	59	3.50	—	75	409%	PROUH65 T2 RH350BM
PROUH65 T2 RH350UM	Heat pump	59	3.50	—	75	409%	PROUH65 T2 RH350UM
PROUH80 T2 RH350BM	Heat pump	72	3.50	—	87	398%	PROUH80 T2 RH350BM
PROUH80 T2 RH350UM	Heat pump	72	3.50	—	87	398%	PROUH80 T2 RH350UM
RHE40S	Gas storage	37	0.83	—	87	92%	CNRHE40S, RHE40S
RHE40SP	Gas storage	37	0.75	—	68	87%	CNRHE40SP, RHE40SP
RHE50	Gas storage	46	0.80	—	87	89%	CNRHE50, CNRHE50P, RHE50, RHE50P
RS120-64BP-TG	Solar	—	—	—	—	—	RS120-64BP-TG
RS80-40BP	Solar	—	—	—	—	—	RS80-40BP
RS80-40BP-TG	Solar	—	—	—	—	—	RS80-40BP-TG
RS80-48BP	Solar	—	—	—	—	—	RS80-48BP
RS80-48BP-TG	Solar	—	—	—	—	—	RS80-48BP-TG
RTEX-13	Electric tankless	—	0.88	1.3	—	98%	EEM24013, HA013240, RETEX-13, RMTEX-13, RTEX-13
RTG-70DVLN-3	Gas tankless	—	0.82	4.0	—	84%	ECO160DVLN-3, ECO160DVLP-3, RTG-70DVLN-3, RTG-70DVLP-3, RTG-R70DVELN-3, RTG-R70DVELP-3
RTG-70XLN-3	Gas tankless	—	0.82	4.0	—	84%	ECO160XLN-3, ECO160XLP-3, RTG-70XLN-3, RTG-70XLP-3, RTG-R70XELN-3, RTG-R70XELP-3
RTG-84DVLN-3	Gas tankless	—	0.82	4.5	—	84%	ECO180DVELN-3, ECO180DVELP-3, RTG-84DVLN-3, RTG-84DVLP-3
RTG-84XLN-3	Gas tankless	—	0.82	4.4	—	85%	ECO180XELN-3, ECO180XELP-3, RTG-84XLN-3, RTG-84XLP-3
RTG-95DVLN-3	Gas tankless	—	0.82	4.8	—	83%	ECO200DVELN-3, ECO200DVELP-3, RTG-95DVELN-3, RTG-95DVELP-3, RTG-95DVLN-3, RTG-95DVLP-3, RTG-R95DVELN-3, RTG-R95DVELP-3
RTG-95XLN-3	Gas tankless	—	0.82	4.8	—	84%	ECO200XELN-3, ECO200XELP-3, RTG-95XELN-3, RTG-95XELP-3, RTG-95XLN-3, RTG-95XLP-3, RTG-R95XELN-3, RTG-R95XELP-3
RTGH-68DVLN-3	Gas tankless	—	0.90	3.5	—	92%	RTGH-68DVLN-3, RTGH-68DVLP-3
RTGH-84DVLN-3	Gas tankless	—	0.93	4.5	—	94%	ECOH160DVLN-3, ECOH160DVLP-3, RTGH-84DVLN-3, RTGH-84DVLP-3
RTGH-90DVLN-3	Gas tankless	—	0.93	4.9	—	94%	ECOH180DVELN-3, ECOH180DVELP-3, RTGH-90DVLN-3, RTGH-90DVLP-3
RTGH-95DVLN-3	Gas tankless	—	0.93	5.5	—	95%	ECOH200DVELN-3, ECOH200DVELP-3, RTGH-95DVELN-3, RTGH-95DVELP-3, RTGH-95DVLN-3, RTGH-95DVLP-3
RTGH-C95DVLN	Gas tankless	—	0.93	5.7	—	96%	RTGH-C95DVLN, RTGH-C95DVLP, RTGH-CM95DVLN, RTGH-CM95DVLP
RTGH-C95XLN	Gas tankless	—	0.93	5.6	—	96%	RTGH-C95XLN, RTGH-CM95XLN
RTGH-S10I	Gas tankless	—	0.96	5.2	—	98%	CECOHS180IN, CECOHS180IP, CECOHSR180IN, CECOHSR180IP, CRTGH-S10I, CRTGH-SR10I, ECERTGH-S10I, ECERTGH-SR10I, ECOHS180IN, ECOHS180IP, ECOHSR180IN, ECOHSR180IP, RECTGH-S10IN, RECTGH-S10IP, RECTGH-SR10IN, RECTGH-SR10IP, RTGH-S10I, RTGH-SR10I
RTGH-S11I	Gas tankless	—	0.96	5.8	—	98%	CECOHS200IN, CECOHS200IP, CECOHSR200IN, CECOHSR200IP, CRTGH-S11I, CRTGH-SR11I, ECERTGH-S11I, ECERTGH-SR11I, ECOHS200IN, ECOHS200IP, ECOHSR200IN, ECOHSR200IP, RECTGH-S11IN, RECTGH-S11IP, RECTGH-SR11IN, RECTGH-SR11IP, RTGH-CS11I, RTGH-CSR11I, RTGH-S11I, RTGH-SR11I
RTGH-S84I	Gas tankless	—	0.96	4.6	—	97%	CECOHS160IN, CECOHS160IP, CECOHSR160IN, CECOHSR160IP, CRTGH-S84I, CRTGH-SR84I, ECERTGH-S84I, ECERTGH-SR84I, ECOHS160IN, ECOHS160IP, ECOHSR160IN, ECOHSR160IP, RECTGH-S84IN, RECTGH-S84IP, RECTGH-SR84IN, RECTGH-SR84IP, RTGH-S84I, RTGH-SR84I
SCG40T03ST34U1	Gas storage	38	0.59	—	67	78%	24X40PF2, PROG40-32P RH62
SFT 199-1	Gas tankless	—	0.90	5.3	—	93%	CRTGH-L199, ECOTGH-L199, RTGH-L199*
SPEX012240T	Electric tankless	—	0.95	1.1	—	96%	RTEH012240T
SPEX100	Electric tankless	—	0.96	1.0	—	94%	RTEH100
SPEX100T	Electric tankless	—	0.98	1.0	—	98%	RTEH100T
SPEX1812	Electric tankless	—	0.95	0.2	—	94%	RTEH1812
SPEX1812T	Electric tankless	—	0.96	0.2	—	98%	RTEH1812T
SPEX2412	Electric tankless	—	0.95	0.2	—	94%	RTEH2412
SPEX2412T	Electric tankless	—	0.96	0.2	—	98%	RTEH2412T
SPEX3012	Electric tankless	—	0.96	0.3	—	95%	RTEH3012
SPEX3012T	Electric tankless	—	0.96	0.3	—	98%	RTEH3012T
SPEX3208	Electric tankless	—	0.97	0.3	—	97%	RTEH3208
SPEX3208T	Electric tankless	—	0.97	0.3	—	98%	RTEH3208T
SPEX3277	Electric tankless	—	0.95	0.3	—	95%	RTEH3277
SPEX3277T	Electric tankless	—	0.97	0.3	—	98%	RTEH3277T
SPEX35	Electric tankless	—	0.95	0.4	—	94%	RTEH35
SPEX3512	Electric tankless	—	0.94	0.3	—	94%	RTEH3512
SPEX3512T	Electric tankless	—	0.96	0.3	—	98%	RTEH3512T
SPEX35T	Electric tankless	—	0.97	0.3	—	98%	RTEH35T
SPEX4208	Electric tankless	—	0.97	0.4	—	97%	RTEH4208
SPEX4208T	Electric tankless	—	0.98	0.4	—	96%	RTEH4208T
SPEX4277	Electric tankless	—	0.96	0.4	—	96%	RTEH4277
SPEX4277T	Electric tankless	—	0.97	0.4	—	95%	RTEH4277T
SPEX48	Electric tankless	—	0.96	0.5	—	93%	RTEH48
SPEX48T	Electric tankless	—	0.97	0.4	—	94%	RTEH48T
SPEX55	Electric tankless	—	0.96	0.6	—	96%	RTEH55
SPEX55T	Electric tankless	—	0.97	0.5	—	98%	RTEH55T
SPEX60	Electric tankless	—	0.96	0.6	—	96%	RTEH60
SPEX60T	Electric tankless	—	0.97	0.6	—	96%	RTEH60T
SPEX65	Electric tankless	—	0.96	0.7	—	95%	RTEH65
SPEX65T	Electric tankless	—	0.97	0.6	—	98%	RTEH65T
SPEX75	Electric tankless	—	0.96	0.8	—	95%	RTEH75
SPEX75T	Electric tankless	—	0.97	0.7	—	97%	RTEH75T
SPEX80	Electric tankless	—	0.96	0.8	—	94%	RTEH80
SPEX80T	Electric tankless	—	0.98	0.8	—	98%	RTEH80T
SPEX8208	Electric tankless	—	0.96	0.8	—	95%	RTEH8208
SPEX8208T	Electric tankless	—	0.98	0.7	—	97%	RTEH8208T
SPEX90	Electric tankless	—	0.96	0.9	—	93%	RTEH90
SPEX90T	Electric tankless	—	0.98	0.9	—	98%	RTEH90T
SPEX95	Electric tankless	—	0.96	0.9	—	95%	RTEH95
SPEX95T	Electric tankless	—	0.98	0.9	—	98%	RTEH95T
XE38S06ST38U1	Electric storage	35	0.91	—	49	98%	XE38S06ST38P1, XE38S06ST38U1
XE40T10H22U0	Heat pump	36	3.45	—	46	432%	XE40T10H22U0
XE40T10H22U1	Heat pump	36	3.45	—	46	432%	XE40T10H22U1
XE40T10H45U0	Heat pump	36	3.83	—	60	434%	XE40T10H45U0
XE40T10H45U1	Heat pump	36	3.83	—	60	434%	XE40T10H45U1
XE40T10HS45U0	Heat pump	36	3.83	—	60	434%	XE40T10HS45U0
XE40T10HS45U1	Heat pump	36	3.83	—	60	434%	XE40T10HS45U1
XE40T10HZ45U1	Heat pump	36	3.83	—	60	434%	XE40T10HZ45U1
XE50M12CS55U1	Electric storage	45	0.92	—	63	98%	PRO+E50 M2 RH CG, PRO+E50 M2 RH92 CL, PROE50 M2 RH CG, PROPE50 M2 RH CG, PROPE50 M2 RH92 CS, XE50M06CG45U0, XE50M09CG45U0, XE50M09CG55U0, XE50M12CG45U0, XE50M12CG55U0, XE50M12CS45U0, XE50M12CS55U1
XE50T10H22U0	Heat pump	45	3.75	—	52	423%	XE50T10H22U0
XE50T10H22U1	Heat pump	45	3.75	—	52	423%	XE50T10H22U1
XE50T12CS55U1	Electric storage	45	0.92	—	63	98%	PRO+E50 T2 RH CG, PRO+E50 T2 RH92 CL, PROE50 T2 RH CG, PROPE50 T2 RH CG, PROPE50 T2 RH92 CS, XE50T06CG45U0, XE50T09CG45U0, XE50T09CG55U0, XE50T12CG45U0, XE50T12CG55U0, XE50T12CS45U0, XE50T12CS55U1
XE55T12CS55U0	Electric storage	55	0.92	—	74	98%	PRO+E55 T2 RH CG, PRO+E55 T2 RH92 CL, PROE55 T2 RH CG, PROPE55 T2 RH CG, PROPE55 T2 RH92 CS, XE55T06CG45U0, XE55T09CG45U0, XE55T12CG45U0, XE55T12CG55U0, XE55T12CS45U0, XE55T12CS55U0
XE65T10H22U0	Heat pump	59	3.55	—	54	407%	XE65T10H22U0
XE65T10H45U0	Heat pump	59	4.05	—	75	457%	XE65T10H45U0
XE65T10H45U1	Heat pump	59	4.05	—	75	457%	XE65T10H45U1
XE65T10HS45U0	Heat pump	59	4.05	—	75	457%	XE65T10HS45U0
XE65T10HS45U1	Heat pump	59	4.05	—	75	457%	XE65T10HS45U1
XE65T10HZ45U1	Heat pump	59	4.05	—	75	457%	XE65T10HZ45U1
XE80T10H22U0	Heat pump	72	3.70	—	67	445%	XE80T10H22U0
XE80T10H22U1	Heat pump	72	3.70	—	67	445%	XE80T10H22U1
XG29T06EC32U1 *	Gas storage	28	0.60	—	62	75%	XG29T06EC32U1 *, XP29T06EC30U1
XG29T12XR60U0	Gas storage	28	0.71	—	93	78%	DE RP30-60, PRO+G29-60N RH70 ID, PRO+G29T-60N CN70 ID, XG29T12XR60U0
XG30S06EC30U1	Gas storage	29	0.60	—	55	78%	XG30S06EC30U1
XG40S06EC34U0	Gas storage	38	0.58	—	64	78%	XG40S06EC34U0
XG40S12HE38U0	Gas storage	39	0.58	—	69	76%	XG40S06HE38U0, XG40S09HE38U0, XG40S12HE38U0, XP40S06HE36U0, XP40S09HE36U0, XP40S12HE36U0
XG40T06EC36U1	Gas storage	38	0.58	—	68	77%	XG40T06EC36U1, XG40T06TC36U1
XG40T12HE40U0	Gas storage	38	0.65	—	84	77%	XG40T06TH40U0, XG40T09HE40U0, XG40T12HE40U0, XP40T09HE36U0, XP40T12HE36U0
XG50S06EC40U1	Gas storage	48	0.64	—	86	78%	XG50S06EC40U1, XG50S12HE40U0
XG50T06EC38U1 *	Gas storage	48	0.63	—	85	83%	XG50T06EC38U1 *, XG50T06TC38U1, XP50T06EC36U1
XG50T12HE40U0	Gas storage	48	0.64	—	77	78%	XG50T06HE40U0 *, XG50T06TH40U0, XG50T09HE40U0, XG50T12HE40U0, XP50T06HE36U0, XP50T09HE36U0, XP50T12HE36U0
XG55T06EC50U0	Gas storage	55	0.62	—	97	77%	XG55T06EC50U0, XG55T12EC50U0

A range means the models under one basic model differ. A dash means the model has no such figure.

This brand's highest UEF, the energy that reaches the water for each unit used, is 4.07. That UEF is over 1 because heat pumps move heat from air into water. The highest UEF is shared by 2 basic models, among them the PROPH80 T2 RH375-SO. Its basic models with an ENERGY STAR certified model number come to 73 of 231.

This brand lists 7 kinds: gas storage, heat pump, electric tankless, electric storage, gas tankless, solar, and tabletop. This brand's highest first-hour rating is 199 gallons, on the PROPG75-100U RH HE EC3. Those 199 gallons include water the tank heats while the hour runs. This brand's highest tankless flow belongs to the RTGH-S11I. In the test, that flow warms by 67°F at 5.8 gallons per minute.

No other brand of the 117 on this site lists more model numbers. At least one of its basic model numbers appears under each of 8 other brands. The largest overlap is with Ruud, at 99 basic model numbers.

Basic models shared with other brands

Rheem basic models also listed under another brand
Brand	Shared basic models
Ruud	99
Richmond	93
Friedrich	83
EEMAX	56
ECOSMART	8
ECOSENSE	3
SURE COMFORT	2
IBC Technologies	1

Updated Oct 26, 2026 · Methodology

Rheem water heaters

Certified figures by basic model

Basic models shared with other brands