Resideo 391937 Conversion Kit If the circuit remains open

If the circuit remains open at room temperature

While optimized for Danfoss and Secop platforms

and tighten the screw to lock the block as a physical stop

this relay must be paired with the manufacturer-recommended microfarad (µF) rated capacitor to ensure sufficient torque without damaging the start winding

Repeated tripping usually indicates restricted airflow

Resideo 391937 Conversion Kit If the circuit remains openThe Resideo 391937 Conversion Kit is a professional grade solution for field converting gas valves from Natural Gas to LP (liquid propane). Engineered for technicians servicing V400, V800, VS820, and VS821 Series combination gas controls, this kit provides a precise 8" to 12" W. C. adjustment range. This part is functionally identical to the 391937 U and is designed exclusively for standard and slow opening valves; it is not compatible with step