Lennox 32W87 Pressure Switch 340155-7024 the Bard 8552-050BX (the boxed

the Bard 8552-050BX (the boxed equivalent) ensures that the system operates at peak electrical efficiency without compromising the lifespan of the more expensive mechanical components

this DSI module supports both local and remote flame sensing

Broad Application: Optimized for use in Trane and American Standard heat pump units requiring a 24V control signal

Common signs include unusual grinding noises

Direct OEM Compatibility: Specifically designed to replace obsolete 331-03478-101 and 331-03478-609 boards in York YVAA

Lennox 32W87 Pressure Switch 340155-7024 the Bard 8552-050BX (the boxedThe Lennox 32W87 Low Pressure Switch is a critical safety component designed for precise refrigerant monitoring in high efficiency Lennox HVAC systems. Engineered as a 30 10# low pressure switch, this SPST (Single Pole Single Throw) safety resets automatically, interrupting the control circuit if suction pressure drops below 10 PSI to prevent compressor damage from loss of charge or vacuum operation. It features a 30 PSI reset point, ensuring the