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Gas storage, residential-duty commercial

American PG10 34 100 2V 2

American PG10 34 100 2V 2 is a residential-duty commercial gas storage water heater certified as a single rating set, 4 model numbers sold under three brand names, listed by A.O. Smith. Rated volume 33 gal, first-hour rating 170 gal, UEF 0.90 and a gas input of 100,000 Btu/h. This set lists 5.15 gal of first-hour output per rated gallon, the highest of the 15 residential-duty commercial gas storage sets. This set lists 33 gal of rated volume, the lowest of the 15 residential-duty commercial gas storage sets.

Certified as of October 27, 2026 · EPA ENERGY STAR data, public domain · Compare in the Heater finder

Certified values

Certified values of American PG10 34 100 2V 2
Rating setRated volume, galFirst hour, galPer rated galUEFGas input, Btu/hTherms/yr
American PG10 34 100 2V 24 model numbers331705.150.90100,000188

American PG10 34 100 2V 2: first-hour rating against rated volume

American PG10 34 100 2V 2Other gas storage sets

First-hour rating, gal

American PG10 34 100 2V 2: first-hour rating against rated volume8012016020030405060708090100110120Rated volume, gal2×3×A. O. Smith GC6-PS4050V 1A. O. Smith GC6-PS5065V 1A. O. Smith GDHE-50 3A. O. Smith GDHE-75 3A. O. Smith HDHE-50 4A. O. Smith HDHE-75 4GSW 6G5076NVC 1HTP PH100-119HTP PH100-55HTP PH100-80HTP PH76-50HTP PH76-60HTP PH76-80Rheem ECE G40-50U CN HERheem ECE G50-100U CN HE EC3Rheem ECE G50-50U CN HERheem ECE G50-76U CN HE EC3Rheem PROPG75-100P RH HE EC3American PG10 34 100 2V 2
American PG10 34 100 2V 2: first-hour rating against rated volume80120160200306090120Rated volume, galA. O. Smith GC6-PS4050V 1A. O. Smith GC6-PS5065V 1A. O. Smith GDHE-50 3A. O. Smith GDHE-75 3A. O. Smith HDHE-50 4A. O. Smith HDHE-75 4GSW 6G5076NVC 1HTP PH100-119HTP PH100-55HTP PH100-80HTP PH76-50HTP PH76-60HTP PH76-80Rheem ECE G40-50U CN HERheem ECE G50-100U CN HE EC3Rheem ECE G50-50U CN HERheem ECE G50-76U CN HE EC3Rheem PROPG75-100P RH HE EC3American PG10 34 100 2V 2
Filled: the American PG10 34 100 2V 2; open circles: the other 18 gas storage sets. Dashed lines mark 2× and 3× the rated volume; the highest ratio in the line is 5.15×, on American PG10 34 100 2V 2.

Where this set stands

MeasureValueMedian of the groupPlacingCompared with
First-hour rating170 gal154 galfifth highest of 1515 residential-duty commercial gas storage sets
UEF0.900.88second highest of 15, three tied15 high-draw residential-duty commercial gas storage sets
First-hour output per rated gallon5.152.65highest of 1515 residential-duty commercial gas storage sets
Rated gas use188 therms/yr192 therms/yrsecond lowest of 15, three tied15 high-draw residential-duty commercial gas storage sets
Gas input100,000 Btu/h100,000 Btu/hhighest of 15, ten tied15 gas tankless sets

Model numbers

The set covers 4 model numbers under three brand names, all certified 2023-02-23. An asterisk stands for a variant character in the model number.

Model numberBrandHeight × diameterVentFuelRecovery efficiencyCertified
GSP-100 2**A. O. Smith49 × 22 inPower Direct Ventnatural gas or propane95%2023-02-23
PG10 34 100 2*V 2**American49 × 22 inPower Direct Ventnatural gas or propane95%2023-02-23
PR-34-100 * 2**American49 × 22 inPower Direct Ventnatural gas or propane95%2023-02-23
GHX-34-100 N 2**State49 × 22 inPower Direct Ventnatural gas or propane95%2023-02-23

Nearest certified alternatives

Rating setFirst hourUEFRated volume
HTP PH100-119+8 gal±0.00+79 gal
Rheem ECE G50-100U CN HE EC3−3 gal−0.01+17 gal
HTP PH76-50−16 gal±0.00+15 gal
HTP PH100-55+17 gal−0.01+20 gal

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