Thermostats

Thermostats — New & Used
Thermostats regulate temperature in industrial, commercial, and residential systems by monitoring heat levels and controlling power to heating and cooling devices. Built for precision temperature control and energy efficiency, they ensure stable environmental conditions for machinery, HVAC systems, and process equipment. Available in manual, programmable, and digital designs, thermostats play a critical role in maintaining optimal performance and comfort.
At Surplus Select, we offer a wide range of new and used OEM thermostats from trusted brands like Honeywell, Johnson Controls, Siemens, White-Rodgers, and Omron. Our inventory includes everything from wall-mounted and panel thermostats to process controllers and industrial temperature regulators — all at surplus pricing for OEM, MRO, and building automation use.
Find Your Thermostat Fast (Search-First)
- Search your part number (e.g., T775A, A19ABC, R8222D).
- No PN? Try specs: “24V digital thermostat” or “line voltage wall thermostat”.
- Need a specific OEM? Add the brand (e.g., Honeywell T7350 or Johnson Controls A19).
Applications & Use Cases
- HVAC systems: Precise temperature control for heating, ventilation, and air conditioning units.
- Industrial process control: Maintains temperature in machinery, ovens, and production systems.
- Building automation: Smart thermostats for commercial energy management and zoning.
- Refrigeration: Temperature monitoring for chillers, freezers, and coolers.
- Maintenance & repair: Replacement units for OEM and MRO service applications.
Why Buy Thermostats from Surplus Select
- New & Used Options: OEM thermostats at surplus pricing for HVAC, process, and automation needs.
- Trusted Brands: Honeywell, Siemens, Johnson Controls, and White-Rodgers.
- Wide Selection: Digital, programmable, and mechanical thermostats for every environment.
- Fast Shipping: Most orders ship same or next business day across the U.S.
Need it fast?
Contact us for overnight shipping options or select an overnight service at checkout.
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