The 310137 is technically identical to the 310137/U universal designation

listen for the reversing valve shifting

The 5:1 ratio defines the reset capability

Engineered for precision alignment

ASCO 8215G80-24VDC Valve Freon The 310137 is technically identicalThe ASCO 8215G80 24VDC is a professional grade 2" normally closed solenoid valve engineered for precision control in high demand combustion systems. As the direct replacement for 8215B80 24VDC, this internal pilot operated valve is optimized for air, fuel gas, and LP gas applications, including propane in both liquid and gaseous states. Constructed with a rugged aluminum body and stainless steel internal trim, it ensures superior durability in