157S-R HIGH PRESSURE LEVEL CONTROL - ALTERNATE TAPPINGS Vendor_McDonnell & Miller Model 21 provides wide temperature

Model 21 provides wide temperature adjustment range for hot and cold water mixing

Maximum hydrostatic pressure 350 psig (24

CAPACITY 2

McDonnell & Miller Electric Water Feeder Data Sheet

157S-R HIGH PRESSURE LEVEL CONTROL - ALTERNATE TAPPINGS Vendor_McDonnell & Miller Model 21 provides wide temperatureLow Water Cut Offs Mechanical For Steam Boilers Series 157S Low Water Cut Off Pump Controllers For residential, commercial and industrial low or high pressure boiler applications For boilers of any steaming capacity Monel bellows provides corrosion resistance Float chamber with integral water column provided `Snap action for high temperature service 1 Single pole, single throw switch for pump control 1 Single pole, double throw switch for low water