Enhanced Safety Compliance: Restores the factory-intended safety interlock

Check for a clogged 4-inch pleated filter

it ensures reliable data transmission for centralized BAS platforms without the drift associated with standard thermistors

Is the HH12ZB180 compatible with other brands

Nuisance trips are typically caused by restricted airflow

York S1-025-31927-000 Limit Switch Enhanced Safety Compliance: Restores theThe York S1 025 31927 000 Auto Limit Switch is a high precision OEM furnace safety control designed to monitor and regulate internal heat exchanger temperatures. This SPST temperature control features a 5 8 inch footprint and is engineered to protect HVAC equipment by opening the circuit at 240F and automatically resetting (closing) when the temperature drops to 155F. Built for heavy duty York gas furnace and heat pump applications, such as the FRHS