McDonnell Miller Series 157S
Product Shipping Subject to Factory Availability Need Specifications? See PDF Section Below.
McDonnell Miller Series 157S designed with monel bellows, float chamber with integral water column and single pole, single throw switch.
McDonnell Miller Series 157S
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
cut-off and alarm actuation
Optional features
Manual reset
Integral conductance probes for additional levels and
greater operating differential-Model 157S-RBP-MD
1” or 11⁄4” NPT equalizing tappings
1⁄2” or 3⁄4” NPT tappings for gauge glass/tri-cock
installations
BSPT threads
Maximum pressure 150 psi (10.5 kg/cm2)