Lennox 22B09017-1, 100503-03, Defrost and 48 similar items

Lennox 22B09017-1 / 100503-03 Defrost Thermostat L70-28F is a genuine OEM HVAC component designed to ensure proper defrost cycle operation in Lennox heat pump systems. This thermostat monitors coil temperature and activates or terminates the defrost cycle at the specified L70-28F rating, preventing excessive frost buildup and maintaining system efficiency. Engineered to OEM specifications, it provides accurate temperature sensing, reliable performance, and long-lasting durability for demanding environments. Key Features Genuine OEM Lennox Part ? 22B09017-1 / 100503-03 Defrost thermostat for heat pump systems Temperature rating: L70-28F Ensures proper defrost cycle activation and termination Prevents frost buildup and improves system efficiency Provides accurate temperature monitoring Built for durability and reliable long-term performance Specifications Brand: Lennox Part Numbers: 22B09017-1, 100503-03 Product Type: Defrost Thermostat Temperature Rating: L70-28F Application: HVAC Defrost Cycle Control Condition: New Compatible Models: Fits 433 models, including: 13HPD-018-230-10, 13HPD-018-230-12, 13HPD-018-230-14, 13HPD-018-230-15, 13HPD-018-230-16, 13HPD-024-230-01, 13HPD-024-230-10, and more. Why Choose This Item The Lennox 100503-03 Defrost Thermostat is essential for maintaining efficient heat pump performance and reliable operation in cold conditions. As a genuine OEM replacement, it ensures precise temperature control and proper defrost cycling, helping extend system life and reduce energy loss. Its robust construction and accurate operation make it a dependable choice for professional HVAC maintenance and repair