stream33 S33-95TWH199P-LP/NG

stream33 S33-95TWH199P-LP/NG is a gas tankless water heater from stream33 rated 5.7 GPM at a 0.95 UEF.

Efficiency
Uniform Energy Factor (UEF) 0.95
Annual gas use (natural gas) 175 therms/yr
Recovery efficiency 0.99 %
Annual propane use 191.25 gal/yr
General
Fuel Natural Gas
Capacity
Max flow rate 5.7 GPM
Draw pattern High
Minimum activation flow 0.6 GPM
Performance
Gas input rate 199 kBTU/h
Installation
Max current draw 1.3 A
Vent type Power Direct Vent
Vent size 2 / 3
Smart features
Smart / connected capable No
Dimensions
Height 26.8 in
Width 17.3 in
Depth 11 in
Certification
ENERGY STAR certified Yes

Real flow rate by climate

A tankless heater's usable flow depends on how far it must raise incoming water temperature. Sustained hot-water flow of the stream33 S33-95TWH199P-LP/NG at common temperature rises (a typical shower uses about 2 GPM of mixed water):

Temperature rise Climate Sustained flow Simultaneous showers
45 °F Warm climate (~75 °F groundwater) 5.7 GPM 2
55 °F Mild climate (~65 °F groundwater) 5.7 GPM 2
70 °F Cold climate (~50 °F groundwater) 5.4 GPM 2
77 °F DOE test condition 4.9 GPM 2

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Frequently asked questions

Is the stream33 S33-95TWH199P-LP/NG ENERGY STAR certified?

Yes, the stream33 S33-95TWH199P-LP/NG holds a current ENERGY STAR certification for water heating efficiency (UEF 0.95).

How much does the stream33 S33-95TWH199P-LP/NG cost to run per year?

About $254 per year at national average energy rates, based on its certified annual energy use under the DOE test draw pattern. Your rate and usage change this figure.

What venting does the stream33 S33-95TWH199P-LP/NG use?

The stream33 S33-95TWH199P-LP/NG uses Power Direct Vent venting with 2 / 3 in vent connections. Matching the existing vent type is usually the cheapest replacement path.

Is the stream33 S33-95TWH199P-LP/NG a smart water heater?

No, the stream33 S33-95TWH199P-LP/NG is not connected-capable — it has no app connectivity or demand-response support.

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