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Key Benefits for Contractors: Direct OEM Compatibility: Verified replacement for HH12ZA189 and HH12ZA189A
Its flanged airstream mount and 1/4-inch quick-connect terminals ensure a secure
and 277V circuits
the Resideo 392449-1 is suitable for both gas types as it is a mechanical fitting
While designed for 1/4-inch diameter probes typical of Johnson Controls series
Nordyne 626422R Limit Switch Key Benefits for Contractors: DirectThe Nordyne 626422R Limit Switch is a critical safety component designed for furnace rollout protection in gas fired and oil fired HVAC systems. This thermal limit switch is engineered to open the circuit at a 155F cut out temperature, immediately interrupting the gas valve circuit if flame rollout or excessive heat is detected near the burner box. As a manual reset rollout switch, it requires a technician to physically inspect the heat exchanger and
