Lennox 27H87 Limit Switch ensuring consistent low-voltage signaling for

ensuring consistent low-voltage signaling for the Weil McLain Ultra boiler control board and ignition sequences

RIBH2C is the cross for RLY1965

As a critical component in Sensus 243-8-2 and 243-12 series valve bodies

tamper-resistant solution for commercial HVAC environments

This high-grade bimetal safety switch ensures precise thermal response to maintain system integrity and prevent hazardous overheating conditions

Lennox 27H87 Limit Switch ensuring consistent low-voltage signaling forThe Lennox 27H87 Limit Switch is a critical OEM safety component engineered for precise thermal management in high performance heating systems. This 120 160F auto limit switch is specifically designed to monitor furnace plenum temperatures, providing a fail safe against overheating by interrupting the burner circuit if thresholds exceed the factory calibrated 160F limit. As a veteran grade HVAC replacement part, the 27H87 ensures seamless integration