Laars Heating Systems RE0240900 Pressure Switch 340793-762 Corrosion Resistance: Aluminum flange design

Corrosion Resistance: Aluminum flange design prevents oxidation in high-humidity mechanical rooms

This assembly typically includes the 1/4-inch compression fittings required for standard attachment to the gas control valve

The Lennox 21703 ensures dynamic balance and optimal CFM delivery

Easy Installation: 5/8" SAE flare fittings allow for quick field replacement and leak-tight connections

The Allanson 2721-630 ignition transformer is a high-performance electrical component engineered specifically for heavy-duty oil burner applications

Laars Heating Systems RE0240900 Pressure Switch 340793-762 Corrosion Resistance: Aluminum flange designThe Laars Heating Systems RE0240900 Pressure Switch is an essential OEM component specifically engineered for precise HVAC pressure monitoring in Pennant Pool Heaters and high efficiency hydronic systems. This SPDT pressure switch features a critical . 75" WC (Water Column) set point, ensuring the unit only fires when the blower or exhaust system achieves the necessary static pressure for safe combustion. Built with a Single Pole Double Throw