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

⚠️ Installation Disclaimer:

This furnace thermostat is intended for use by licensed HVAC technicians or individuals with proper heating system repair experience. Buyer is responsible for verifying compatibility and ensuring safe installation. Improper handling may result in equipment damage, fire hazard, or personal injury. Seller assumes no liability for misuse or incorrect application.

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