This 220110-029 assembly is a specific Trion-manufactured part used in Carrier HE2000 units

The integrated dirt-protection filter prevents orifice clogging

Common Questions: What causes the relief valve to drip on a Watts 009 unit

the integrated thermometer

Lennox 88K09 Sequencer This 220110-029 assembly is aMaintain precise control over your electric heating stages with the Lennox 88K09 Sequencer. Specifically engineered for electric furnaces and air handlers, this triple stacked thermal time delay relay manages the staggered activation of heating elements and blower motors. By sequencing these high amperage loads, the 88K09 prevents hazardous circuit overloads and eliminates sudden voltage drops at startup, ensuring the long term reliability of the