McDonnell & Miller 250-3/4-60 Valve 30067439-890 protecting personnel and equipment from

protecting personnel and equipment from scalding or flooding if the gauge glass fails

The Schneider Electric (Barber Colman) TOOL-82 Wrench is a specialized Pocket Spline Allen Wrench designed for high-accuracy thermostat calibration and room set point adjustments

the SP11700 thermostat features a single-pole (SPST) high-limit control with a 170°F safety cutoff and a manual reset button to prevent hazardous overheating conditions

maintaining precise fan motor control is essential for preventing system short-cycling and protecting 3-phase R410A packaged units from operational stress

and igniter wire required to restore the standing pilot system to manufacturer specifications

McDonnell & Miller 250-3/4-60 Valve 30067439-890 protecting personnel and equipment fromThe 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