Lennox 58H31 Pressure Switch Freon For technicians servicing PTAC units

For technicians servicing PTAC units or light commercial air handlers

It maintains similar dimensions but utilizes updated materials and internal modules to comply with current regulatory standards while ensuring a direct fit for the LF7RU2-2 series

using a capacitor rated for 330Vac to replace a 250Vac or 320Vac unit provides increased durability and is standard practice in high-performance HVACR service

making it a versatile component for retrofitting older Barber Colman pneumatic systems

The Spence BF-2-KIT is a specialized bends and fittings kit engineered precisely for the 2-inch E-series regulators

Lennox 58H31 Pressure Switch Freon For technicians servicing PTAC unitsThe Lennox 58H31 Pressure Switch is a critical safety component designed for precise draft verification in residential and light commercial HVAC systems. This genuine OEM part features a factory calibrated 3. 00" WC (Water Column) set point and a Single Pole Single Throw (SPST) configuration, ensuring the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed. As the verified direct replacement for the legacy