and NTC6 series

When performing a pilot burner replacement

this component adheres to strict factory tolerances

featuring a 40 amp contact rating and a 24 VAC coil compatible with both 50 and 60 Hz systems

McDonnell & Miller 250-3/4-60 Valve 30067439-890 and NTC6 seriesThe McDonnell & Miller 250 3 4 60 is a high capacity 3 4" NPT pressure relief valve engineered specifically for hydronic heating systems and large storage tanks. Designed to provide critical over pressure protection, this ASME Section IV certified valve is factory set at 60 PSI and features an impressive thermal discharge capacity of 1,252,000 BTU hr. As a veteran grade boiler safety relief valve, it utilizes a durable bronze body and seat combined