0820656 Gas Valve Sit 820 Series Natural Gas Fixed Adjustment

0820656 SIT NOVA mV Natural Gas Millivolt remote ready gas valve with variable flame adjustment is a Split-system milli-volt control for use in vented appliances with a HI/LO burner adjustment with and a manually operated knob.

The Sit Controls Gas valve model 0820656 has the following specifications.

Split-system millivolt control natural gas valve for use in vented appliances.
Fixed Burner Adjustment
Hi/Lo Action - None
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. -1.6” w.c. Set at 30K btu/hr
Pilot Connection 7/16 UNS

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