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reducing ignition delay
Look for visible stress fractures
fail-in-place performance during power interruptions
allowing technicians to achieve a tight
Lennox 75W43 Thermal Switch 320788-703 reducing ignition delayThe 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
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