Gas Limit Furnace Thermostat for Carrier& Bryant HH12ZA252A P331-2217 HH12ZA240A

Gas Limit Furnace Thermostat | SHL504 | L240-40F | Replaces Carrier & Bryant HH12ZA252A, P331-2217

Protect your heating system from overheating with this brand-new SHL504 gas limit furnace thermostat. Rated L240-40F, this high-limit switch opens at 240°F and resets at 200°F, providing reliable thermal protection for residential and light commercial gas furnaces. Compatible with Carrier®, Bryant®, and other OEM systems, it’s a direct replacement for multiple part numbers and ensures safe, efficient furnace operation.

⚙️ Features & Benefits:

• ✅ Opens at 240°F and resets at 200°F (40°F differential)
• Designed for use in gas furnaces and HVAC systems
• Durable construction with secure mounting tabs
• Brand New – Unused and ready to install
• Compact design for easy replacement and universal fit

Replaces Part Numbers:

HH12ZA252A, P331-2217, HH12ZA240A, L240-40F

✅ Fits Models:

Compatible with select Carrier and Bryant gas furnace models. Please refer to your unit’s service manual or model tag to confirm compatibility.

️ Installation Tips:

• Disconnect power and shut off gas supply before servicing
• Locate the existing limit thermostat on the furnace heat exchanger or plenum
• Remove mounting screws and disconnect wire terminals
• Install new thermostat in the same orientation and reconnect wires securely
• ✅ Restore power and gas, then test furnace operation and safety cutoff

Reliable protection. OEM-grade safety. Restore your furnace’s performance with this high-limit thermostat replacement.