Lennox 87J71 Sequencer 324846-701 Durable Design: Engineered with a

Durable Design: Engineered with a round plastic case that simplifies mounting in standard motor control boxes and electrical housings

critical for maintaining system static pressure and motor efficiency

making it an essential OEM replacement part for maintaining system integrity and ASHRAE compliance

this valve ensures linear heat output across a wide range of actuator positions

Lennox 87J71 Sequencer 324846-701 Durable Design: Engineered with aThe Lennox 87J71 Heat Sequencer is a critical OEM replacement component designed to manage the staging of electric heating elements in residential and light commercial air handlers. This upper heat sequencer functions as a thermal relay, utilizing a 24V solid state PTC heater to actuate a bimetal disc. By providing precise time delay intervals, it prevents massive inrush currents that could otherwise trip circuit breakers or damage the electrical