Parts to Your Door 50037 Pressure Switch 1.47in Wc DE-04/05

Product Description

The PARTS TO YOUR DOOR 50037 is a replacement pressure switch rated at 1.47 inches water column (WC), identified by its purple color coding. Pressure switches are safety devices used in gas-fired heating equipment to verify that the inducer or draft blower is producing adequate airflow before allowing the ignition sequence to proceed. This switch monitors negative pressure in the flue or combustion air circuit and interrupts the control board signal if pressure falls outside the acceptable range. It is a direct-fit replacement intended for licensed HVAC technicians servicing compatible boiler or furnace equipment.

This pressure switch is specified for DE-04/05 units manufactured in 2007 and later. It is typically installed in residential or light-commercial gas-fired heating systems where the inducer assembly generates a pressure differential that must be confirmed before ignition. The purple color coding on the switch body helps technicians identify the setpoint rating during installation and troubleshooting. Always verify the setpoint and hose port orientation against the existing switch before installation.

Key Features

• Rated at 1.47 inches WC setpoint for accurate draft-proving operation
• Purple color coding for quick visual identification of the correct setpoint rating
• Designed for DE-04/05 heating units 2007 and later production
• OEM-style replacement form factor for straightforward swap-out
• Lightweight at 0.50 pounds for easy handling during service calls

Compatibility

Specified as a replacement pressure switch for DE-04/05 units manufactured in 2007 and later. Verify the setpoint rating and hose port configuration against the original switch before installation.

Installation Notes

Installation should be performed by a licensed HVAC technician. Always disconnect power to the heating unit and allow the system to cool before removing or installing a pressure switch. Inspect the rubber hose connecting the switch to the inducer port for cracks or blockages, as hose condition directly affects switch performance. Follow applicable local mechanical codes and the equipment manufacturer's service documentation during installation.

Technical Specifications

• Switch Type: Pressure Switch
• Setpoint: 1.47 inches WC
• Color Code: Purple
• Item Weight: 0.50 pounds

Standard Information

• Brand: PARTS TO YOUR DOOR
• Manufacturer Part Number: 50037