Trane SWT3179 Pressure Switch Kit 321142-301 this replacement heat exchanger restores

this replacement heat exchanger restores factory-rated AFUE efficiency and prevents dangerous CO leakage into the building envelope

Broad Operating Envelope: Rated for severe climates with a wide temperature tolerance from -40°C up to 105°C

Working with high-static environments or Lennox rooftop units requires a manual reset limit switch you can depend on

Flexible Fuel Capability: Fully compatible with natural gas

its formulation provides excellent thermal dissipation

Trane SWT3179 Pressure Switch Kit 321142-301 this replacement heat exchanger restoresFor veteran HVAC contractors, the Trane SWT3179 Pressure Switch Kitwhich is functionally identical to the SWT03179is a critical component for restoring furnace ignition sequences. This 0. 8" WC setpoint switch is a Single Pole Double Throw (SPDT) configuration, making it highly versatile for monitoring induced draft blower performance and ensuring proper venting before the gas valve opens. Engineering wise, this OEM replacement part is built for snap