Honeywell Home 504 Open Circuit 190deg Ul Thermostat

Designed to safeguard sensitive systems, the Honeywell Home 504 thermostat provides reliable temperature monitoring and overheat protection for security, surveillance and HVAC equipment. This open-circuit thermostat features a 190°F trip point and is UL-listed, giving technicians and facilities managers confidence that critical enclosures and control panels will be protected from thermal events. As a manufacturer part number 504 replacement, it installs quickly as a drop-in unit, minimizing downtime during maintenance or component swaps. Built for consistent performance, the device helps trigger alarms or shutdown sequences when temperatures exceed safe limits, reducing risk to cameras, recorders, servers and other low-voltage hardware. Its compact, durable construction fits neatly into racks, junction boxes and environmental monitoring systems, making it ideal for commercial security installations and IT closets. Choose the Honeywell Home 504 thermostat to improve system reliability, simplify maintenance, and strengthen your thermal protection strategy. Contact sales or order now to specify this thermostat for your next security or HVAC application.

• Protects critical equipment with a UL-listed open-circuit thermostat that trips at 190°F to prevent overheating and reduce downtime
• Simple drop-in replacement (Mfr. Part 504) for fast service and minimal installation time
• Durable design for reliable temperature monitoring in security, surveillance, and HVAC enclosures
• Reduces maintenance costs by delivering consistent, repeatable temperature control and alarm triggering
• Compact form factor for easy integration into rack-mounted systems, control panels, and environmental sensors