Furnace Plenum Thermostat for Bryant P331-2217 HH12ZA252 HH12ZA240 HH12ZB240

Gas Limit Furnace Thermostat | SHL509 L240-30F | Replaces Bryant P331-2217, HH12ZA252, HH12ZA240, HH12ZB240, B1370903

Protect your furnace from overheating with this brand-new L240-30F gas limit thermostat. Designed to replace Bryant® and other OEM part numbers, this high-limit switch opens at 240°F and resets at 210°F, helping maintain safe operating temperatures in residential and light commercial gas furnaces. Built for durability and precision, it’s a direct-fit solution for restoring thermal safety and system reliability.

⚙️ Features & Benefits:

• ✅ Opens at 240°F and resets at 210°F (30°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:

P331-2217, HH12ZA252, HH12ZA240, HH12ZB240, B1370903

✅ Fits Models:

Compatible with select 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.