Pay in 4 interest-free payments of $6.58 Learn more
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
offering field-selectable outputs including 4-20mA
fail-in-place performance during power interruptions
utilizing 1/4 inch flare connections for secure mechanical integration
allowing it to function at zero differential pressure
making it a standard choice for contractors requiring a high-limit or safety-interlock pressure switch
Lennox 75W43 Thermal Switch 320788-703 offering field-selectable outputs including 4-20mAThe Lennox 75W43 is a high precision compressor thermal switch engineered for critical temperature regulation in industrial and residential HVACR systems. As a genuine OEM component (Manufacturer Number 103048 01), this HVAC thermal protection switch prevents catastrophic equipment failure by monitoring operational heat levels. It features a specified open temperature range of 239F to 257F, which interrupts the electrical circuit to protect the
US$ 20.00
US$ 144.00
US$ 68.00
US$ 19.99
US$ 212.50
US$ 20.00
