the Lennox 27P17 manages the critical ignition sequence

Universal Compatibility: Drops into most bypass and power humidifier setups

5 inch NPT connections allow for straightforward installation into existing pipe headers and vacuum lines

reducing vehicle inventory requirements

Maxitrol TS144F Temperature Sensor 320788-704 the Lennox 27P17 manages theThe Maxitrol TS144F is a high precision discharge air temperature sensor designed specifically for integration with Series 44 mixing tubes. As a critical component in gas fired HVAC modulation systems, this thermistor based sensor provides the necessary feedback loop for Maxitrol Selectra systems, ensuring the modulator regulator valves maintain precise environmental control. Unlike mechanical butterfly valves or slow acting mod motors, the TS144F