B
C
INDOOR
DRAFTHOOD
31-13/16"
7-3/4"
GAS
CONNECTION
J
A
20-1/2"
26-1/2"
ELECTRICAL
CONNECTION
34"
STACKLESS
OUTDOOR TOP
28"
4-3/8"
8-7/8"
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.
Suffix “X” is for cupro-nickel tubing; “C” is for copper Tubing
Example: P-M407A-EN-X = Plastic headers, 407 model size, digital, natural gas, cupro-nickel
For elevations above 5000 feet consult the factory.
Swimming Pool and Spa
Heating Products
Technical Data
Digital Low NOx Gas Heaters
Heater
Model
BTUH
Input
(000)
(A)
Cabinet
Width
(B)
Flue
Diameter
(C)
Indoor
Drafthood
(J)
Minimum Gas
Conn.
Water
Conn.
Shipping Weights (lbs)
w/ Polymer
Headers
and Stackless
Top
Indoor
Draft-
hood
M207A 199.5 20” 6” 55-5/8” 12” 3/4” 2” 174 12
M267A 266.0 23” 7” 56” 11-1/8” 3/4” 2” 197 15
M337A 332.5 26” 8” 57” 10-3/4” 3/4” 2” 219 17
M407A 399.0 29” 9” 58-1/2” 12-1/2” 3/4” 2” 237 20
Amp Draw
120 volt 240 volt
6 3
HEATER
CAN BE INSTALLED DIRECTLY
ON A COMBUSTIBLE
SURFACE!
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