The BASO Q90BB-1 Pilot Burner & Sensor

This valve is the direct equivalent to the 474A-3/4-125 model

offering improved thermal stability and reduced EMI interference

ensuring a perfect fit and preventing air bypass

Low Power Consumption: Minimal 1

Reznor 204326 Pressure Switch 321894-708 The BASO Q90BB-1 Pilot BurnerThe Reznor 204326 Pressure Switch is a mission critical safety component designed for heavy duty HVACR applications, specifically within Reznor unit heaters and combustion air systems. This SPDT pressure switch features a precise 0. 7" WC (water column) set point, ensuring accurate monitoring of the pressure differential required for safe burner ignition and operation. Built with a dual 1 4" barb connection, it integrates seamlessly into standard