Heat Controller 4200 TXV Kit 323613-751 The Lennox 71K11 Pressure Switch

The Lennox 71K11 Pressure Switch is a critical safety component designed for precise vent pressure monitoring in GHR26 series gas furnaces and compatible commercial HVAC units

Factory Authorized Part: Provides exact fit and performance specifications as the original equipment

This OEM York conversion kit ensures precise manifold pressure regulation and includes the necessary gas burner orifices and technical instructions to maintain proper combustion profiles

By keeping the lubricant warmer than the coldest part of the system

When performing a condenser fan motor replacement or blower swap

Heat Controller 4200 TXV Kit 323613-751 The Lennox 71K11 Pressure 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