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Advanced flame sensing circuitry reduces nuisance lockouts common in aging HSI ignition systems
Contoured Valve Performance: Optimized for use with contoured pistons to maintain minimal clearance volume and maximize capacity
Key Benefits for Technicians High-Temperature Resilience: The Class H winding insulation prevents premature failure during extended high-load cycles
Standardized Frame: Features a 48-frame (5
Universal Applications: Optimized for liquid
Lennox X4138 Pre-Filter 323055-751 Advanced flame sensing circuitry reducesThe Lennox X4138 Pre Filter is a critical OEM replacement component engineered for high performance HEPA bypass air filtration systems. Specifically designed for compatibility with Lennox Healthy Climate HEPA 40 and HEPA 60 units, this 15 inch carbon pre filter acts as the first line of defense in a three stage purification process. By capturing large diameter airborne particulates and debris, it prevents premature loading of the primary HEPA
