To prevent moisture ingress and internal component wear

or oil contamination on the element

High-Impact Plastic: Resistant to corrosion and thermal stressors common in HVAC drainage environments

Does this kit include the thermocouple

the S1-029-20422-056 is critical for maintaining the proper gas flow to the pilot burner

Johnson Controls KZ-4000-5 Relay 30067439-890 To prevent moisture ingress andThe Johnson Controls KZ 4000 5 is a heavy duty general purpose relay engineered for high demand switching in commercial HVACR and industrial automation systems. This 120 Vac relay features a Single Pole Double Throw (SPDT) contact configuration, providing the versatility required to manage two separate circuits from a single input source. When your sequence of operations requires switching large electrical loads from a lower powered source, this unit