Lochinvar & A.O. Smith 100111921 Relief Valve 321142-301 it is critical to match

it is critical to match the capacitance range (540-648 MFD) specified by the compressor manufacturer to prevent winding damage or start relay failure

The V-3000-1 is primarily used with 1/2" flare valves

Always verify the flare connection size and reset type (Auto/Manual) when substituting other KP15 variants

The Reznor 155271 Ventor Wheel is a critical OEM replacement component engineered specifically for Reznor SFT series heaters

If the blower wheel is not properly torqued to the flat of the shaft

Lochinvar & A.O. Smith 100111921 Relief Valve 321142-301 it is critical to matchThe Lochinvar and A. O. Smith 100111921 Relief Valve is a critical safety component designed for high efficiency commercial boilers and water heaters. Engineered to meet strict ASME Section IV requirements, this pressure relief valve protects the heat exchanger and plumbing system from over pressurization by opening at its specific factory set PSI. This genuine OEM replacement part replaces older part numbers including 100111921 and RLVAL2409,