These errors often indicate an open or shorted circuit in the temperature sensing loop

Will this unit fit the mounting base of the old HE-6700 series

Enhanced Reliability: Solid-state circuitry prevents mechanical failure common in float-style switches

This air pressure switch is factory-calibrated for the BTN 200/366 series water heaters and boilers

Laars Heating Systems E2304800 Limit Switch 324846-701 These errors often indicate anThe Laars Heating Systems E2304800 Limit Switch is a mission critical safety component engineered for high temperature protection in hydronic boiler and water heater applications. As a manual reset high limit switch, this device is designed to interrupt the burner circuit when internal temperatures exceed safe operating parameters, specifically calibrated for Laars MightyTherm2 and Pennant series models. For standard boiler configurations, the