stream33 water heaters
4 basic models and 2 listed models.
Certified figures by basic model
| Basic model | Type | Storage volume (gal) | UEF | Flow at a 67°F rise (gal/min) | First-hour rating (gal) | Recovery efficiency | Model numbers |
|---|---|---|---|---|---|---|---|
| S33-95TWH199-LP/NG | Gas tankless | — | 0.95 | 5.7 | — | 99% | S33-95TWH199-LP/NG |
| S33-95TWH199P-LP/NG | Gas tankless | — | 0.95 | 5.7 | — | 99% | S33-95TWH199P-LP/NG |
| S33-HPWH50 | Heat pump | 47 | 3.75 | — | 69 | 430% | S33-HPWH50 |
| S33-HPWH80 | Heat pump | 74 | 4.00 | — | 91 | 450% | S33-HPWH80 |
A range means the models under one basic model differ. A dash means the model has no such figure.
Hot water out per unit of energy in, called UEF, reaches 4.00 among stream33 models. That UEF is over 1 because heat pumps move heat from air into water. The S33-HPWH80 is the one basic model of this brand with that UEF. This brand has an ENERGY STAR certified model number in each of its basic models.
Its range spans 2 kinds: gas tankless and heat pump. Its basic models split evenly, with 2 of each type. Its first-hour peak, 91 gallons, comes from the S33-HPWH80. In the test, a full tank reheats while those 91 gallons are drawn. The S33-95TWH199-LP/NG ties for this brand's highest tankless flow. The test warms the water by 67°F at 5.7 gallons per minute.
On this site, only this brand lists these basic model numbers.