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