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the 803005073 relay board features a 24VDC coil with contact ratings of 3A at 300VAC/30VDC
Attempting to use it in high-pressure lines can lead to component failure
upgraded equivalent to the M122A01
The KMC Controls MEP-5233 Actuator is a tri-state direct-coupled actuator designed for high-performance residential zoning
While some surface debris can be removed
Lochinvar & A.O. Smith 100111921 Relief Valve 319825-402 the 803005073 relay board featuresThe 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,
