the mounting flange must be sourced separately based on your piping requirements

Built with a rugged die-cast aluminum housing and an oil-immersed gear train

For deeper wall assemblies

SPST Configuration: Standard single-pole

While designed for York systems

Weil McLain 511-724-253 Thermocouple 319848-301 the mounting flange must beThe Weil McLain 511 724 253 Thermocouple is a task specific 48 inch push in thermocouple designed for high performance flame sensing in residential gas boilers and standing pilot systems. Engineered as a genuine OEM replacement part, this 48" lead ensures reliable millivolt signal transmission to the gas valve, maintaining the safety loop in LP (Propane) and Natural Gas configurations. When troubleshooting a pilot that will not stay lit or a burner