3. GENERAL
3.1. Approvals & codes
This appliance is certified by International Approval Services for use in Canada and the USA. The appliance is for installation
connected to an approved 3” dia. liner or B-vent.
The appliance complies with
CGA P.4.1, Testing method for measuring annual fireplace efficiencies.
The installation must conform with local codes or, in the absence of local codes with the
National Fuel Gas Code, ANSI Z223.1
or the
Canadian installation code CAN/CGA-149
. Only qualified licensed or trained personnel should install the appliance.
The appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, with the
National Electrical Code, ANSI/NFPA 70
or the
Canadian Electrical Code, CSA C22.1
3.2. Appliance data
737XN
737XP
Altitude
(ft)
Max.
Min.
Max.
Min.
Input (Btu/h)
0-2000 28,900
9,860
28,400
17,000
2000-4500
25,045*
15,180*
Output-Fan Off
0-2000 20,519 20,166
2000-4500
17,782*
Output-Fan On
0-2000 21,390 21,443
2000-4500
18,910*
Supply-Upstream of Regulator
(in w.c.)
10.5 5.0 14.0 11.0
Manifold-Tapping on
Thermostat (Appliance full on)
(in w.c.)
4.0 3.6 9.5 9.1
Pilot orifice
Type
Cat 960-45
Cat 960-15
No. of holes
1 1
Front burner
orifice
Type
Cat 82-360
Cat 92-130
No. of holes
7 1
Rear burner
orifice
Type
Cat 82-440
Cat 960-190
No. of holes
7 1
* After adjustment
5
