Lochinvar & A.O. Smith 100208172 Rollout Switch 318973-401 commercial

commercial

and Johnstone Supply

the HK08ZZ030 offers a robust solution for restoring factory-standard HVAC automation

specifically designed for these high-output commercial applications

often used to verify both the initial pull of the inducer motor and the sustained static pressure during the heating cycle to ensure the system is venting safely

Lochinvar & A.O. Smith 100208172 Rollout Switch 318973-401 commercialThe Lochinvar & A. O. Smith 100208172 Rollout Switch is a critical safety component designed for manual reset operation in high efficiency gas fired boilers and water heaters. Rated at a 250F trip temperature, this flame rollout limit switch monitors the burner enclosure for abnormal thermal conditions. If combustion flames spill out of the heat exchangeroften due to a cracked heat exchanger, blocked venting, or a failing inducer motorthe switch opens