（2-Pack） HH12ZB250 L250-40 3" High Limit Switch - Compatible with Carrier/Bryant/Payne/Day & Night/Lennox Furnace - Replaces HH12ZA251, 1NT23L-3651

【2-Pack High Limit Switch Set】 You will receive 2 x HH12ZB250 L250-40 3" high limit switches, a practical set that includes a replacement for immediate use and a spare for future needs. The switches directly replace part numbers HH12ZA251 and 1NT23L-3651 for your furnace. 【Broad Multi-Brand Compatibility】 Designed to work seamlessly with Carrier, Bryant, Payne, Day & Night, and Lennox furnaces. The switches match the required specifications of these heating systems, ensuring smooth integration without extra modifications. 【Precise L250-40 Temperature Protection】 Features a L250-40 temperature rating, triggering a power cutoff when furnace temperatures hit 250°F and resetting safely at 210°F. This critical safety function prevents overheating damage and potential hazards to your heating equipment. 【Durable 3" Heat-Resistant Build】 Crafted from premium heat-resistant materials, the 3" standard size ensures stable and secure installation in your furnace. The robust structure can withstand the harsh high-temperature operating environment, delivering long-lasting and reliable performance. 【Trustworthy After-Sales Service】 If you encounter any problems regarding compatibility, installation, or product quality of this 2-pack high limit switch, please contact us immediately. Our team is dedicated to providing high-quality customer service and will offer you a satisfactory solution.

• 【2-Pack High Limit Switch Set】 You will receive 2 x HH12ZB250 L250-40 3" high limit switches, a practical set that includes a replacement for immediate use and a spare for future needs. The switches directly replace part numbers HH12ZA251 and 1NT23L-3651 for your furnace.
• 【Broad Multi-Brand Compatibility】 Designed to work seamlessly with Carrier, Bryant, Payne, Day & Night, and Lennox furnaces. The switches match the required specifications of these heating systems, ensuring smooth integration without extra modifications.
• 【Precise L250-40 Temperature Protection】 Features a L250-40 temperature rating, triggering a power cutoff when furnace temperatures hit 250°F and resetting safely at 210°F. This critical safety function prevents overheating damage and potential hazards to your heating equipment.
• 【Durable 3" Heat-Resistant Build】 Crafted from premium heat-resistant materials, the 3" standard size ensures stable and secure installation in your furnace. The robust structure can withstand the harsh high-temperature operating environment, delivering long-lasting and reliable performance.
• 【Trustworthy After-Sales Service】 If you encounter any problems regarding compatibility, installation, or product quality of this 2-pack high limit switch, please contact us immediately. Our team is dedicated to providing high-quality customer service and will offer you a satisfactory solution.