this normally closed (NC) operator features a 4-wire connection with an integrated end-switch (NC/S)

It is recommended to use the sensor offset feature in the menu to calibrate for any resistance changes introduced by additional wire length

it offers enhanced mechanical durability and a fail-safe double bellows system

and fitment

Reznor 263999 Gas Valve 30067439-890 this normally closed (NC) operatorFor technicians servicing high capacity unit heaters, the Reznor 263999 is the critical OEM LP gas valve required for maintaining safe fuel regulation in propane gas heating systems. This single stage gas valve features a 1 2 inch NPT connection and is specifically engineered to replace obsolete components like the 196850 and 196982. Designed for 24V 50 60Hz control circuits, it provides the precise pressure regulation necessary for the high