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902159 SIT 820NOVA NG Gas Valve
902159 SIT Controls natural gas valve is a replacement control valve for various Superior Fireplace models.
902159 SIT 820NOVA mV Natural Gas Millivolt remote ready gas valve with variable flame adjustment
902159 SIT Controls gas valve has the following specifications.
Split-system millivolt control natural gas valve for use in vented appliances.
HI/LO burner adjustment with manually operated knob
Minimum voltage 145mV Coil resistance 2.25±0.5
Thermo-Electric Unit Hold-in current less than 285Ma
Drop-out current Greater than 125mA with coil resistance 0.018± 0.003
Gas type Natural Gas HI/LO action Manual Pressure set-point 3.5” w.c. ± 0.3
Range of adjustment 3.5” w.c. -2.2” w.c. Set at 30K btu/hr
Thermocouple connection 11/32 ASA-DNC
Natural Gas Inlet 3/8 in. NPT
Natural Gas Outlet 3/8 in. NPT
Maximum natural gas inlet pressure 1/2 PSIG Ambient operating
Temperature 32° to 175° F
Maximum @ 1 in. w.c. pressure drop 100,000 BTU per hour
Regulation capacity 5,000 to 195,000 BTU AP per hour