Lennox 14K09 Coupling 318518-761 Contractor Grade Durability: Equipped with

Contractor Grade Durability: Equipped with a non-spring return (NSR) mechanism and a reinforced drive train for stable performance in high-cycle hydronic applications

Technical performance is centered on its open circuit voltage range of 25–35 mV

this kit addresses common issues where immediate firing or rapid cycling accelerates component wear

Self-adjusting operations: The balanced pressure capsule automatically adapts to varying steam pressures without requiring manual recalibration

Lennox 14K09 Coupling 318518-761 Contractor Grade Durability: Equipped withWhen you are in the field dealing with a furnace that is short cycling or throwing pressure switch codes, you need a reliable seal on the exhaust side. This Lennox 14K09 Flue Rubber Coupling is the professional grade solution for connecting 2 inch PVC or metal flue pipe sections. Also identified by part number 102862 02, this coupling is engineered from heavy duty, heat resistant rubber to withstand the constant thermal cycling of high efficiency gas