or inconsistent manifold pressure leading to poor combustion and soot buildup

If the coil is above 51

What are the symptoms of a failing Spence E2 diaphragm

especially in Heil

Can I use this kit with the newer White Rodgers direct spark ignition valves

Lochinvar & A.O. Smith 100266139 Condensate Trap R-410A or inconsistent manifold pressure leadingThe Lochinvar & A. O. Smith 100266139 Condensate Trap Kit is a critical OEM replacement component engineered for high efficiency condensing boilers and water heaters. As a veteran technician knows, maintaining a clear condensate drain line is essential to prevent acidic moisture from backing up into the heat exchanger or combustion chamber. This genuine factory repair part features an integrated internal float mechanism designed to seal the trap and