Laars Heating Systems R0023000 Limit Switch 322055-301 minimizing unnecessary service calls for

minimizing unnecessary service calls for simple transient overheat events

it is a Honeywell-manufactured L4064B series control used across various brands like Allied Air

Genuine OEM Build: Specifically engineered for York S1-025-27747-012 specifications

Diagnostic codes are typically printed on the furnace blower door or the board's protective housing

Can I use this kit for high-altitude installs

Laars Heating Systems R0023000 Limit Switch 322055-301 minimizing unnecessary service calls forThe Laars Heating Systems R0023000 Limit Switch is a critical safety component engineered to provide overheat protection for high performance hydronic and pool heating systems. This 150F high limit switch is calibrated to automatically interrupt the electrical circuit when internal water temperatures exceed the 150F threshold, effectively preventing thermal damage to the heat exchanger and downstream piping. As a veteran grade OEM replacement part,