Filter
Top Products
15
LTD HEATER INSTALLATION
All models
Vapor models
Natural gas
models
Inside diameter
Bolt circle diameter
Length
BTU rating
Weight
Maximum fuel flow (GPH)
Orifice
Modulating valve bypass orifice
Minimum operating pressure
Maximum operating pressure
Minimum line size
Maximum fuel flow (CFH)
Orifice
Modulating valve bypass orifice
Minimum operating pressure
Maximum operating pressure
Minimum line size
18"
18.5/16"
19.7/16"
22"
400000
81
167
5/64"
Red
2
20
3/8"
421
9/64"
Yellow
1
7
1/2"
LOW TEMPERATURE HEATER SPECIFICATIONS