A specialized 1-gallon blue solution

Common Questions Can this valve be adjusted for higher altitudes

effectively maintaining a minimum evaporator pressure to prevent coil icing and optimize humidity levels

As a veteran-grade HVAC induction pressure switch

Featuring a 1 3/8" ODF solder connection

Lennox 11G55 Limit Switch 321702-401 A specialized 1-gallon blue solutionThe 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