Description
The Sterling HVAC 11J11R04457 Freeze Stat is a purpose-built low-temperature safety control designed to protect HVAC coils, air handling units, and ductwork from freeze-up damage. When supply air or coil temperatures drop to a dangerously low threshold, the freeze stat triggers a safety shutdown — cutting off the air handler fan, closing dampers, or activating heating systems to prevent costly coil damage and system downtime.
Key Features
- Low-temperature freeze protection for air handlers, coils, and duct systems
- Automatic safety shutdown upon detection of freeze-risk temperatures
- Designed for reliable performance in demanding commercial and industrial HVAC applications
- Sensing element responds to the coldest point along its length for maximum protection
- Helps prevent costly coil damage, water leaks, and unplanned system downtime
- Sterling HVAC quality construction for long service life
Typical Applications
- Air handling units (AHUs)
- Rooftop units and make-up air systems
- Fan coil units
- Commercial and industrial duct systems
- Hydronic heating and cooling systems
Why Use a Freeze Stat?
Freeze stats are a critical line of defense in any HVAC system exposed to cold outdoor air or low ambient temperatures. By detecting dangerously low temperatures before a freeze event occurs, the Sterling HVAC 11J11R04457 helps safeguard expensive coils, prevents water damage from burst pipes, and keeps your system operating safely throughout the heating season. This control is an essential component for any building engineer, mechanical contractor, or HVAC technician looking to add reliable freeze protection to their system.
Product Details
- Brand: Sterling HVAC
- SKU: 11J11R04457
- Type: Freeze Stat (Low-Temperature Safety Control)







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