Ruud PD425141 Pressure Switch Kit

Product Description

The RUUD PD425141 is a pressure switch kit designed for use in gas furnace and air handler systems. Pressure switches are safety controls that monitor draft inducer operation by sensing negative pressure in the flue or combustion air system. If the switch fails to detect proper pressure, it interrupts the ignition sequence to prevent unsafe operation. This kit is installed by licensed HVAC technicians during routine maintenance or when a faulty switch is identified as the cause of a no-heat or lockout condition.

The PD425141 is suited for residential gas furnace applications where the original pressure switch has failed or been damaged. It is intended as an OEM-style replacement, restoring the factory safety control function. Technicians typically encounter this part during diagnostic calls involving inducer-related fault codes or repeated ignition lockouts traced to pressure sensing failure.

Key Features

• Pressure switch kit format includes components needed for a complete swap
• Monitors draft inducer negative pressure to enforce safe ignition sequencing
• Safety interlock function prevents ignition without confirmed airflow
• OEM-style replacement for straightforward service calls

Compatibility

Designed as an OEM-style replacement pressure switch kit for Rheem and Ruud residential gas furnace systems.

Installation Notes

Pressure switch replacement is performed by licensed HVAC technicians. Shut off power to the furnace at the disconnect and set the thermostat to off before beginning any service work. Inspect the pressure switch hose and port for blockages or cracks before condemning the switch itself, as hose faults can mimic switch failure. Verify correct pressure setpoint and hose routing after installation before returning the unit to service.

Technical Specifications

• Item Type: Pressure Switch

Standard Information

• Brand: RUUD
• Manufacturer Part Number: PD425141