Carrier HH18HV110 Limit Switch THPU32HP7Y The York S1-025-35381-000 Limit Switch

The York S1-025-35381-000 Limit Switch is a critical HVAC safety control designed to monitor internal plenum temperatures and protect the heat exchanger from thermal stress

supporting consistent furnace performance across residential and light commercial equipment applications

For contractors managing industrial machinery or steam generators

this is a non-spring return (NSR) motor

Can I use any contacts for auxiliary fan control

Carrier HH18HV110 Limit Switch THPU32HP7Y The York S1-025-35381-000 Limit SwitchThe Carrier HH18HV110 is a high precision HVAC temperature limit switch designed for critical thermal protection in heating applications. This SPDT limit switch operates on an automatic reset logic, featuring a specific temperature range: it is engineered to open at 110F and close at 90F. As a genuine OEM Carrier part, the HH18HV110 ensures exact electrical matching for furnace and air handler control circuits, effectively preventing heat exchanger