Hot Water List

Noritz water heaters

22 basic models and 50 listed models.

Certified figures by basic model

Noritz basic models and their certified figures
Basic modelTypeStorage volume (gal)UEFFlow at a 67°F rise (gal/min)First-hour rating (gal)Recovery efficiencyModel numbers
EZ111DV (GQ-C3259WX-FF US) Gas tankless —0.965.8—99% EZ111DV (GQ-C3259WX-FF US), NCC199CDV (GQ-C3259WZ-FF US)
EZ111DV (GQ-C3260WX-FF US) Gas tankless —0.965.6—98% EZ111DV (GQ-C3260WX-FF US), EZ98DV (GQ-C2860WX-FF US), NCC199CDV (GQ-C3260WZ-FF US), NRCR111DV (GQ-C3260WXQ-FF US)
EZ98DV (GQ-C2859WX-FF US) Gas tankless —0.965.3—99% EZ98DV (GQ-C2859WX-FF US)
EZ98DV (GQ-C2861WX-FF US) Gas tankless —0.985.3—99% EZ98DV (GQ-C2861WX-FF US), EZ98DV (GQ-C2861WX-FF-1 US)
ME120HPT Heat pump 1093.38—105355% NHP120
ME50HPT Heat pump 473.46—58373% NHP50
ME65HPT Heat pump 573.34—70368% NHP65
ME80HPT Heat pump 743.48—86365% NHP80
NCC199CDV (GQ-C3261WZ-FF US) Gas tankless —0.985.5—98% EZ111DV (GQ-C3261WX-FF US), EZ111DV (GQ-C3261WX-FF-1 US), NCC199CDV (GQ-C3261WZ-FF US), NCC199CDV (GQ-C3261WZ-FF-1 US), NRCR111DV (GQ-C3261WXQ-FF US), NRCR111DV(GQ-C3261WXQ-FF-1 US)
NR501-OD-LP Gas tankless —0.823.1—84% NR501-OD-LP, NR501-OD-NG
NR662-OD-NG Gas tankless —0.823.6—84% NR662-OD-LP, NR662-OD-NG
NR83DVC (GQ-2457WS-FFA US) Gas tankless —0.824.6—85% NR71DVC (GQ-2457WS-FFA-1 US), NR83DVC (GQ-2457WS-FFA US), NR83OD (GQ-2457WS US)
NR98SV (GQ-2857WX-F US) Gas tankless —0.825.1—85% NC199DVC (GQ-2857WZ-FFA US), NC199OD (GQ-2857WZ US), NR98DVC (GQ-2857WX-FFA US), NR98OD (GQ-2857WX US), NR98SV (GQ-2857WX-F US)
NRC111DV (GQ-C3257WX-FF US) Gas tankless —0.915.7—94% NRC111DV (GQ-C3257WX-FF US)
NRC111OD (GQ-C3257WX US) Gas tankless —0.915.7—96% NRC111OD (GQ-C3257WX US)
NRC661A-DV-NG Gas tankless —0.893.4—92% NRC661A-DV-LP, NRC661A-DV-NG, NRC661A-OD-LP, NRC661A-OD-NG
NRC663-FSV-NG Gas tankless —0.873.4—91% NRC663-FSV-LP, NRC663-FSV-NG
NRC711-OD-NG Gas tankless —0.894.3—91–92% NRC711-DV-LP, NRC711-DV-NG, NRC711-OD-LP, NRC711-OD-NG
NRC98DV (GQ-C2857WS-FF US) Gas tankless —0.915.1—94% NRC98DV (GQ-C2857WS-FF US)
NRC98OD (GQ-C2857WS US) Gas tankless —0.925.2—94% NRC98OD (GQ-C2857WS US)
NRCR92DV (GQ-C2660WXQ-FF US) Gas tankless —0.954.9—97% NRCR92DV (GQ-C2660WXQ-FF US)
NRCR92DV (GQ-C2661WXQ-FF US) Gas tankless —0.984.7—99% EZ71DV (GQ-C2661WX-FF US), EZ71DV (GQ-C2661WX-FF-1 US), NRCR92DV (GQ-C2661WXQ-FF US), NRCR92DV (GQ-C2661WXQ-FF-1 US)

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 3.48. A heat pump reaches this UEF by taking heat from the air around it. The basic model with that UEF is the ME80HPT. Of its 22 basic models, 9 list an ENERGY STAR certified model.

This brand lists 2 kinds: gas tankless and heat pump. The gas tankless group holds 18 of its 22 basic models. This brand's highest first-hour rating is 105 gallons, on the ME120HPT. Part of those 105 gallons is water warmed as the tank drains. Without a tank, the EZ111DV (GQ-C3259WX-FF US) gives this brand's highest flow. That flow is 5.8 gallons per minute for water warmed by 67°F.

Among the 117 brands on this site, 19 list more model numbers than Noritz. At least one of its basic model numbers appears under each of 4 other brands. The largest overlap is with Hubbell, at 4 basic model numbers.

Basic models shared with other brands

Noritz basic models also listed under another brand
BrandShared basic models
Hubbell4
VAUGHN THERMAL4
THERMALUX3
Pavilion1

Updated Oct 26, 2026 · Methodology