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the M611 series is specifically designed with a counter-spring for negative pressure applications
When replacing a standard 1/2-inch natural gas valve
Its constant duty cycle rating makes it ideal for industrial gas ignition setups where intermittent-duty transformers would fail due to overheating
Durable Construction: Heavy-duty materials built to withstand thermal stress and resist oxidation during long-term operation
Lennox 11G55 Limit Switch 321702-401 the M611 series is specificallyThe Lennox 11G55 Limit Switch is a critical safety component designed for precise thermal regulation in high efficiency HVAC equipment. This 100 130F automatic reset limit ensures that burner assemblies or heat exchangers do not exceed safe operating temperatures. Often listed under the interchangeable part number 11G5501, this sensor features a high sensitivity bimetal disc that breaks the electrical circuit upon reaching its 130F cutout point and
US$ 24.90
US$ 24.90
US$ 199.00