0820643 SIT NOVA 0820643 NATURAL GAS MILLIVOLT VALVE VENT FREE. 0820643 SIT NOVA mV Natural Gas Millivolt remote ready gas valve with variable flame adjustment is a Split-system milli-volt control for use in. Appliances with a HI/LO burner adjustment with and a manually operated knob. This 0820643 Sit Controls Split system milli-volt control replacement gas valve is designed for use in only unvented appliances.The Millivolt gas control valve must be used in conjunction with an approved ODS pilot system which includes both a thermocouple and a thermopile generator. The Sit Controls Gas valve model 0820643 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 200Ma Drop-out current Greater than 80mA with coil resistance 0.018± 0.003 Gas type Natural Gas HI/LO action Manual Pressure set-point 3.5 w. Range of adjustment 3.5 w. Natural Gas Inlet 1/2 in. Natural Gas Outlet 3/8 in.
Maximum natural gas inlet pressure 1/2 PSIG Ambient operating. Temperature 32° to 175° F. Pressure drop 100,000 BTU per hour Regulation capacity 5,000 to 195,000 BTU AP per hour.