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 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...
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 | |||||||
| PROG40-34N RH59 MH | 32 34 |
59 | 32.3 34.3 |
0.59 | 62 Tall |
A |
6 |
| Professional Classic | |||||||
| 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 | |||||||
| PROG40-36N RH59 MH DVX | 30 36 |
66 | 30.3 36.4 |
0.59 | 60 Tall |
DV | 6 |
| Professional Classic Manufactured Housing | |||||||
| PROG40-30N RH59 MH DV | 30 |
60 | 30.3 |
0.59 | 57 Tall |
DV | 6 |
| Professional Classic DV | |||||||
| 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 | |||||||
| 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 | |||||||
| 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 | |||||||
| PRO+G40-36U RH68 | 36 | 71 | 36.4 | 0.68 | 65 Tall |
A | 8/12 |
| Professional Classic Power Direct Vent | |||||||
| 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 | |||||||
| 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 | |||||||
| PROG40-36U RH67 PV | 36 | 72 | 36.4 | 0.67 | 70 Tall |
PV | 6/10 |
| Professional Classic Ultra Low NOx | |||||||
| 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 | |||||||
| 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 | ||||||
| PROG40-34N RH59 MH | 1 | - | Yes | Yes | Yes | Pilot |
| Professional Classic | ||||||
| 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 | ||||||
| PROG40-36N RH59 MH DVX | 1 | - | - |
Yes | - |
Pilot |
| Professional Classic Manufactured Housing | ||||||
| PROG40-30N RH59 MH DV | 1 | - | - |
Yes | - |
Pilot |
| Professional Classic DV | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| PRO+G40-36U RH68 | 1 | Yes | Yes | Yes | Yes | Pilot |
| Professional Classic Power Direct Vent | ||||||
| PROG40-40N RH67 PDV | 1 | Yes | - |
Yes | Yes | HSI |
| PROG40-38P RH67 PDV | 1 | Yes | - |
Yes | Yes | HSI |
| Professional Classic Power Vent | ||||||
| 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 | ||||||
| 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 | ||||||
| RHE40S | 2 | Yes | - | - | Yes | HSI |
| RHE40SP | 2 | Yes | - | - | Yes | HSI |
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