Raypak manual Technical Data, Digital Low NOx Gas Heaters, Heating Products

Technical Data

Digital Low NOx Gas Heaters

B

CAN BE	HEATER
ON A INSTALLED		DIRECTLY
	COMBUSTIBLE
SURFACE!

C

INDOOR

DRAFTHOOD

31-13/16"

J

26-1/2"

ELECTRICAL

CONNECTION

20-1/2"

4-3/8"	8-7/8"
	(6-5/8" ASME)
(3-3/8" ASME)
	34"
	STACKLESS
	OUTDOOR TOP

7-3/4"

GAS

CONNECTION

A

(22-1/2" ASME)

28"

Amp Draw

120 volt 240 volt

6 3

								Shipping Weights (lbs)
	BTUH	(A)	(B)	(C)	(J)			w/ Polymer	w/ cast iron
								Headers	Headers
Heater	Input	Cabinet	Flue	Indoor	Minimum	Gas	Water
								and Stackless	and Stackless	Indoor
Model	(000)	Width	Diameter	Drafthood		Conn.	Conn.	Top	Top	Drafthood
R207A	199.5	20”	6”	55-5/8”	12”	3/4”	2”	174	193	12
R267A	266.0	23”	7”	56”	11-1/8”	3/4”	2”	197	216	15
R337A	332.5	26”	8”	57”	10-3/4”	3/4”	2”	219	238	17
R407A	399.0	29”	9”	58-1/2”	12-1/2”	3/4”	2”	237	256	20

Designation for a Digital heater using propane gas is “EP”; a Digital heater using natural gas is “EN”. Prefix “P” is for plastic (polymer) headers; “C” is for cast iron (ASME) headers.

Suffix “X” is for cupro-nickel tubing; “C” is for copper tubing

Example: P-R407A-EN-X= Plastic headers, 407 model size, digital, natural gas, cupro-nickel For elevations above 5000 feet consult the factory.

Manufactured under Patent No. 3,623,458.

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