7
EN
W415-1541 / C / 11.23.17
2.3 general information
FOR YOUR SATISFACTION, THIS APPLIANCE HAS BEEN TEST-FIRED TO ASSURE ITS OPERATION AND
QUALITY!
RATES AND EFFICIENCIES
NG
P
Altitude (FT)
0-4,500
0-4,500
Max. Input (BTU/HR)
22,000
22,000
Min. Inlet Gas Supply Pressure
4.5" (11mb) Water Column
11" (27mb) Water Column
Max. Inlet Gas Supply Pressure
13" (32mb) Water Column
13" (32mb) Water Column
Manifold Pressure (Under Flow Conditions)
3.5" (9mb) Water Column
10" (25mb) Water Column
PRODUCT CODES
FUEL TYPE
OPERATING SYSTEM
CB42NTR
NATURAL
MILLIVOLT
CB42NTRE
NATURAL
ELECTRONIC IGNITION
CB42PTR
PROPANE
MILLIVOLT
CB42PTRE
PROPANE
ELECTRONIC IGNITION
When the appliance is installed at elevations above 4,500 ft (1371m), and in the absence of specific
recommendations from the local authority having jurisdiction, the certified high altitude input rating shall be
reduced at the rate of 4% for each additional 1,000 ft (305m).
This appliance is approved for bathroom, bedroom, and bed-sitting room installations and is suitable for mobile
home installation.
No external electricity (110 volts or 24 volts) is required for the gas millivolt system operation.
Expansion / contraction noises during heating up and cooling down cycles are normal and are to be
expected.
