ITH-Series Technical Manual
Page 6
Cambridge
Engineering
Inc.
General Specifications
General Specifications
Gas Supply
Inlet Pressure
Natural
Gas:
Minimum
Maximum
5.0" W.C.
14.0" W.C.
Propane Gas: Minimum
Maximum
11.5" W.C.
14.0" W.C.
Manifold Pressure
Natural
Gas:
3.5" W.C.
Propane Gas:
10.5" W.C.
Inlet Connection
Natural Gas or Propane: 1/2" female NPT
Electric Supply
120 VAC, 60 HZ, 1 Amp: 36" cord with grounded 3 prong plug
Flue and Outside Air Connection
4" O.D. male connection for flue adapter and outside air (optional) provided at the heater
