Rheem 40-gallon Gas Water Heaters - Comparison
Explore the Rheem 40-gallon gas water heaters comparison chart to select the best model. The article compares the specifications of all 40-gal gas models from the Rheem manufacturer, including the gas input, FHR, recovery rate, efficiency, warranty, and features such as the type of the ignition system, EverKleen system, and more...
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Technical data comparison
| Specs. --------- Model |
Input (Btu) x1000 |
First Hour Delivery (GPH) |
Recovery Rate (90F) (GPH) |
Energy Factor EF |
Approx. Height/ Type (Inch) |
Vent Type |
Warr anty |
| Professional Classic Manufactured Housing |
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| PROG40-34N RH59 MH | 32 34 |
59 | 32.3 34.3 |
0.59 | 62 Tall |
A | 6 |
| Professional Classic |
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| PROG40-36N RH59 | 36 | 67 | 36.4 | 0.59 | 61 Tall |
A | 6/10 |
| PROG40-38N RH59 | 38 | 73 | 38.4 | 0.59 | 62 Tall |
A | 6/10 |
| PROG40-32P RH59 | 32 | 73? | 32.3 | 0.59 | 62 Tall |
A | 6/10 |
| PROG38-40N RH60 | 40 | 68 | 40.4 | 0.60 | 61 Tall |
A | 6/10 |
| PROG38-34P RH60 | 34 | 68? | 34.3 | 0.60 | 61 Tall |
A | 6/10 |
| PROG40-40N RH62 | 40 | 68 | 40.4 | 0.62 | 63 Tall |
A | 6/10 |
| PROG40-34P RH60 | 34 | 68? | 34.3 | 0.60 | 63 Tall |
A | 6/10 |
| PROG40S-40N RH62 | 40 | 72 | 40.4 | 0.62 | 54 Short |
A | 6/10 |
| PROG40S-36P RH62 | 36 | 72? | 36.4 | 0.62 | 54 Short |
A | 6/10 |
| PROG40S-36N RH59 | 36 | 72 | 36.4 | 0.59 | 53 Short |
A | 6/10 |
| PROG40S-34P RH59 | 34 | 72? | 34.3 | 0.59 | 53 Short |
A | 6/10 |
| PROG40S-40N RH59 | 40 | 72 | 40.4 | 0.59 | 54 Short |
A | 6/10 |
| PROG40S-36P RH59 | 36 | 72? | 36.4 | 0.59 | 54 Short |
A | 6/10 |
| Professional Classic Manufactured Housing |
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| PROG40-36N RH59 MH DVX |
30 36 |
66 | 30.3 36.4 |
0.59 | 60 Tall |
DV | 6 |
| Professional Classic Manufactured Housing |
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| PROG40-30N RH59 MH DV | 30 | 60 | 30.3 | 0.59 | 57 Tall |
DV | 6 |
| Professional Classic DV |
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| PROG40-38N RH59 DV | 38 | 66 | 38.4 | 0.59 | 68 Tall |
DV | 6/10 |
| PROG40-30P RH59 DV | 30 | 64 | 30.3 | 0.59 | 68 Tall |
DV | 6/10 |
| PROG40-36N RH59 DVV | 36 | 66 | 36.4 | 0.59 | 60 Tall |
DV | 6/10 |
| PROG40-30P RH59 DVV | 30 | 65 | 30.3 | 0.59 | 60 Tall |
DV | 6/10 |
| Professional Classic Plus |
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| PRO+G40-40N RH62 | 40 | 68 | 40.4 | 0.62 | 63 Tall |
A | 8/12 |
| PRO+G40-36P RH62 | 36 | - | 36.4 | - | 63 Tall |
A | 8/12 |
| PRO+G40S-40N RH62 | 40 | 72 | 40.4 | 0.62 | 54 Short |
A | 8/12 |
| PRO+G40S-36P RH62 | 36 | - | 36.4 | - | 54 Short |
A | 8/12 |
| Professional Classic Plus Powered Damper |
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| PRO+G38-40N RH69 PD | 40 | 68 | 40.4 | 0.69 | 63 Tall |
PD | 8/12 |
| PRO+G38-36P RH69 PD | 36 | 68? | 36.4 | 0.69 | 63 Tall |
PD | 8/12 |
| PRO+G40S-40N RH67 PD | 40 | 72 | 40.4 | 0.67 | 55 Short |
PD | 8/12 |
| PRO+G40s-36P RH67 PD | 36 | 72? | 36.4 | 0.67 | 65 Tall |
PD | 8/12 |
| Professional Classic Plus Ultra Low NOx Powered Damper |
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| PRO+G40-36U RH68 | 36 | 71 | 36.4 | 0.68 | 65 Tall |
A | 8/12 |
| Professional Classic Power Direct Vent |
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| PROG40-40N RH67 PDV | 40 | 73 | 40.4 | 0.67 | 68 Tall |
PDV | 6/10 |
| PROG40-38P RH67 PDV | 38 | 73 | 38.4 | 0.67 | 68 Tall |
PDV | 6/10 |
| Professional Classic Power Vent |
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| PROG40-40N RH67 PV | 40 | 68 | 40.4 | 0.67 | 68 Tall |
PV | 6/10 |
| PROG40-36P RH67 PV | 36 | 68? | 36.4 | 0.67 | 68 Tall |
PV | 6/10 |
| PROG40S-36N RH67 PV | 36 | 71 | 36.4 | 0.67 | 62 Short |
PV | 6/10 |
| PROG40S-32P RH67 PV | 32 | 71? | 32.4 | 0.67 | 62 Short |
PV | 6/10 |
| Professional Classic Ultra Low NOx |
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| PROG40-36U RH67 PV | 36 | 72 | 36.4 | 0.67 | 70 Tall |
PV | 6/10 |
| Professional Classic Ultra Low NOx |
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| PROG38-38U RH60 | 38 | 72 | 38.4 | 0.60 | 61 Tall |
A | 6/10 |
| PROG40-38U RH62 | 38 | 73 | 38.4 | 0.62 | 63 Tall |
A | 6/10 |
| PROG38S-36U RH60 | 36 | 68 | 36.4 | 0.60 | 52 Short |
A | 6/10 |
| Professional Prestige High Efficiency Condensing |
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| RHE40S | 40 | 74 | 48.5 | 0.82 | 60 Short |
PDV | 6 |
| RHE40SP | 36 | 74 | 43.6 | 0.82 | 60 Short |
PDV | 6 |
Vent type:
A-Atmospheric, PV-Power Vent, DV-Direct Vent, ID-Induced Draft
Gas type:
N - Natural gas (e.g. 36N), P - Propane (e.g. 34P)
Models with the energy factor, EF, of 0.67 and over are Energy
Star.
Features comparison
| Features --------- Model |
Anode Rod |
Self Diagn ostic |
Guardian System |
EverKleen Self- Cleaning |
Low Emissions |
Igniter |
| Professional Classic Manufactured Housing |
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| PROG40-34N RH59 MH | 1 | - | Yes | Yes | Yes | Pilot |
| Professional Classic |
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| PROG40-36N RH59 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40-38N RH59 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40-32P RH59 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG38-40N RH60 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG38-34P RH60 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40-40N RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40-34P RH60 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40S-40N RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40S-36P RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40S-36N RH59 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40S-34P RH59 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40S-40N RH59 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40S-36P RH59 | 1 | - | Yes | Yes | Yes | Pilot |
| Professional Classic Manufactured Housing |
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| PROG40-36N RH59 MH DVX |
1 | - | - | Yes | - | Pilot |
| Professional Classic Manufactured Housing |
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| PROG40-30N RH59 MH DV | 1 | - | - | Yes | - | Pilot |
| Professional Classic DV |
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| PROG40-38N RH59 DV | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40-30P RH59 DV | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40-36N RH59 DVV | 1 | - | Yes | Yes | - | Pilot |
| PROG40-30P RH59 DVV | 1 | - | Yes | Yes | - | Pilot |
| Professional Classic Plus |
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| PRO+G40-40N RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| PRO+G40-36P RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| PRO+G40S-40N RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| PRO+G40S-36P RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| Professional Classic Plus Powered Damper |
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| PRO+G38-40N RH69 PD | 1 | Yes | Yes | - | Yes | Pilot |
| PRO+G38-36P RH69 PD | 1 | Yes | Yes | - | Yes | Pilot |
| PRO+G40S-40N RH67 PD | 1 | Yes | Yes | - | Yes | Pilot |
| PRO+G40s-36P RH67 PD | 1 | Yes | Yes | - | Yes | Pilot |
| Professional Classic Plus Ultra Low NOx Powered Damper |
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| PRO+G40-36U RH68 | 1 | Yes | Yes | Yes | Yes | Pilot |
| Professional Classic Power Direct Vent |
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| PROG40-40N RH67 PDV | 1 | Yes | - | Yes | Yes | HSI |
| PROG40-38P RH67 PDV | 1 | Yes | - | Yes | Yes | HSI |
| Professional Classic Power Vent |
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| PROG40-40N RH67 PV | 1 | Yes | Yes | Yes | Yes | HSI |
| PROG40-36P RH67 PV | 1 | Yes | Yes | Yes | Yes | HSI |
| PROG40S-36N RH67 PV | 1 | Yes | Yes | Yes | Yes | HSI |
| PROG40S-32P RH67 PV | 1 | Yes | Yes | Yes | Yes | HSI |
| Professional Classic Ultra Low NOx |
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| PROG40-36U RH67 PV | 1 | - | Yes | Yes | Yes | Pilot |
| PROG38-38U RH60 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG40-38U RH62 | 1 | - | Yes | Yes | Yes | Pilot |
| PROG38S-36U RH60 | 1 | - | Yes | Yes | Yes | Pilot |
| Professional Prestige High Efficiency Condensing |
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| RHE40S | 2 | Yes | - | - | Yes | HSI |
| RHE40SP | 2 | Yes | - | - | Yes | HSI |
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