Sporlan 278399-121 Valve R-410A If the tube is cracked

If the tube is cracked or blocked by debris

eliminating the internal pressure drops or flue gas leakage risks associated with non-spec alternatives

Is this kit compatible with standing pilot boilers

ensuring quiet and reliable operation under varying static pressure conditions

2 switch is an automatic reset model

Sporlan 278399-121 Valve R-410A If the tube is crackedThe Sporlan 278399 121, model QL171R 12 12, is a high performance 3 4" ODF service valve designed for rigorous HVACR applications. Built with a heavy duty brass body and a stainless steel stem, this manual shut off valve provides reliable refrigerant isolation during system maintenance. It features a robust Buna N seal to ensure leakproof integrity across a wide operating range of 40F to 250F. Engineered for modern high pressure systems, the Parker