High Flow Capacity: The 1-1/8" port size ensures minimal pressure drop across the valve

In a professional HVAC gas furnace maintenance context

it maintains a maximum operating pressure of 25 psig and delivers a consistent output flow capacity of 45 SCIM (12

Heavy-Duty Construction: Built with high-strength steel and bi-metal connections to withstand vibration and high-pressure system spikes

Lennox 12X09 Control Kit 318423-701 High Flow Capacity: The 1-1/8"The Lennox 12X09 Control Kit is a critical OEM 2 stage ignition control replacement designed for high performance gas furnaces. This HVAC furnace controller (Manufacturer #614148 02) manages the complete ignition sequence, ensuring precise timing for gas flow and flame sensing across dual stage heating cycles. As a direct fit Lennox 614148 02 replacement, this kit resolves common field issues such as nuisance lockouts and intermittent ignition