maintaining the factory-specified efficiency of your commercial heating and cooling systems

ensuring reliable performance in demanding commercial HVACR applications

The onboard diagnostics utilize self-diagnostic LED indicators—including T-T call

For technicians servicing Lennox XP16 or XP19 series units

this valve prevents common system imbalances that lead to unsettled cooling output or premature equipment fatigue

Utica-Dunkirk 550002811 Gas Valve Kit 340155-7026 maintaining the factory-specified efficiency ofThe Utica Dunkirk 550002811 Gas Valve Kit is a critical replacement component engineered for precision fuel regulation in SSC and VLT 299 high efficiency condensing boilers. This OEM gas valve assembly ensures optimal manifold pressure to maintain the modulation ratios required for peak thermal efficiency. Designed for direct integration with Utica SSC 299 and Dunkirk VLT 299 series units, this kit addresses common combustion inconsistencies and