Use this Lennox limit switch to restore factory-spec safety parameters and prevent frequent furnace tripping caused by restricted airflow or failing inducer motors

which are vital for meeting commercial and residential heating demands

reducing long-term system downtime for contractors

which is standard for most refrigeration cycling applications

Energy Efficient Motor: The 115V/60Hz motor is thermally protected and designed for long-term reliability in humid environments

Heat Controller 4200 TXV Kit Els PW 29614 Use this Lennox limit switchEngineered for mission critical refrigerant metering, the Heat Controller 4200 TXV Kit is a high performance 1. 5 3. 5 Ton R410A TXV solution designed for seamless integration with light commercial and residential evaporator coils. This non bleed thermostatic expansion valve ensures precise superheat control across varying load conditions, preventing liquid slugging and protecting the compressor from premature failure. Optimized for R 410A refrigerant