Furnace Thermostat With Manual Reset, 300°F Cut Out Temperature, SRL300

Furnace Thermostat | SRL300 | Manual Reset | 300°F Cut-Out

Protect your heating system with this brand-new SRL300 manual reset furnace thermostat. Designed to cut out at 300°F, this compact 1/2" bimetal disc switch is part of the trusted SRL Seriesoffering proven reliability, versatile fitment, and cost-effective performance for residential and light commercial HVAC systems.

Features & Benefits:

• Manual reset design for enhanced safety and control


• 300°F cut-out temperature for high-limit thermal protection


• Compact 1/2" bimetal disc configuration


• SRL Series trusted across HVAC and furnace applications


• Brand New Unused and ready to install

Replaces Part Numbers:

AP4503275

Also compatible with thermostats matching SRL300 specifications. Please verify before ordering.

Fits Models:

Compatible with select furnace and HVAC systems requiring a 300°F manual reset thermostat. Refer to your units service manual or model tag to confirm compatibility. Contact us if you need help verifying fitment.

Installation Tips:

• Disconnect power before servicing your furnace or HVAC unit


• Locate the thermostat near the heat source or plenum


• Remove mounting hardware and disconnect wire terminals


• Install the SRL300 in the same orientation and location


• Reconnect wires securely, restore power, and test system operation

High-limit protection. Manual reset safety. Upgrade your furnace with the SRL300 thermostat today.