Lennox 22J51 Relay-Sequencer the 0151R00187S features heavy-duty brass

the 0151R00187S features heavy-duty brass construction to withstand torch heat during brazing and provides precise flow control via the internal stem

such as electric heat strips

Enhanced Dielectric Strength: Rated at 440V to handle voltage spikes better than lower-rated 370V alternatives

Engineered as a definite purpose contactor

Lennox 22J51 Relay-Sequencer the 0151R00187S features heavy-duty brassThe Lennox 22J51 Relay Sequencer is a critical 24V control component designed to manage the staged activation of heating elements and blower motors in electric furnaces and air handlers. For technicians performing field repairs, the 22J51 serves as the direct replacement for R76726700, ensuring seamless integration with existing Lennox and Allied Air equipment. This HVAC sequencer utilizes factory calibrated time delays to prevent electrical overloads