Lennox 22J51 Relay-Sequencer such as electric heat strips

such as electric heat strips

Designed for maximum reliability in high-cycle environments

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

The MARS 61611 and Trane SWT1733 are functionally and mechanically identical units

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

Lennox 22J51 Relay-Sequencer such as electric heat stripsThe 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