Description
the AH23A020 ensures positive shut-off in demand-heavy environments like fan coils
Wide Operating Range: Supports heating setpoints from 40°F to 90°F and cooling setpoints from 50°F to 99°F
allowing for granular modulating valve adjustments that stabilize hydronic flows
leak-free integration with various gases and liquids
Carrier HH12ZZ185 Limit Switch 321702-401 the AH23A020 ensures positive shut-offThe Carrier HH12ZZ185 Limit Switch (part number L185F 40) is a critical OEM HVAC replacement part designed for high limit thermal protection in furnace and air handling units. This normally closed (NC) switch functions as a primary safety mechanism, monitoring internal temperatures to prevent heat exchanger damage. It features a fixed set point that opens the electrical circuit when temperatures reach 185F and automatically resets once the system
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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