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even in systems with significant pressure drops across the distributor
featuring a Teflon PFA seat to ensure positive shut-off and resistance against corrosive boiler chemicals and mechanical vibration
this unit serves as the non-volatile storage backbone for essential firmware and software logic required for precise HVAC system operation
eliminating the risks associated with generic thermal overload switches
Direct OEM Cross-Reference: Effectively replaces part number 5500-135 and other legacy INF series switches
Carrier HH18HA194 Limit Switch 321142-301 even in systems with significantFor service technicians addressing limit circuit trips in Carrier, Bryant, or Payne furnaces, the Carrier HH18HA194 Limit Switch is the direct OEM replacement for safety circuit management. This critical furnace high limit switch is engineered with a temperature range of 140F (open) to 180F (close), featuring a reliable manual reset button that prevents the system from automatically cycling if a dangerous over temperature condition occurs. Designed
US$ 48.00
US$ 2725000.00