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Durable Disc Design: Robust construction withstands high-cycle frequency in demanding 125-155F environments
Precise Calibration: Factory-set to specific inches of water column to match manufacturer vent length requirements
protecting equipment from overheating and improving overall energy efficiency through precise cycling
Field Reliability: Precision-engineered 24V architecture compatible with standard 18-gauge NEC approved control wiring
facilitating organized field wiring and reliable signal distribution for ignition and safety loops
Lennox 42W16 Extension kit R-410A Durable Disc Design: Robust constructionFor field technicians and mechanical contractors, the Lennox 42W16 (LB 115012B) Vent Extension Kit is the industry standard solution for bringing rooftop installations into compliance with local building codes. Specifically engineered for Lennox LG, LD, KG 092 360, and SG 240 series units, this kit addresses critical clearance issues where exhaust outlets are situated too close to fresh air intakes. By elevating the termination point, it prevents flue
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