McDonnell Miller (140100) Model 61 - Low Water Cut-OffModel number 61 is a float operated low water cut off for steam boilers. This control features an automatic reset with dual 120 volt switches for low water cut off and alarm or electric water feeders. Its maximum pressure is 20 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Part Number : 143100 Model: 61 Product Features Adjustable BX outlet for easy installation Dual precision switches for dependable operation

dust tight

Flow Rate Will Vary With Pipe Size

Patented Self-Cleaning Probe – a proprietary self-cleaning feature on the probe minimizes scale build-up and extends recommended cleaning intervals to every five (5) years instead of annually

which provides rapid draining of water from the float chamber

Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes

Model number 25A is a float-operated make-up water feeder for boiler receiver tanks with a tapped 1" FIP supply and 1" FIP equalizing connections

4 Diameter: 5 1/8” Adjustable Size: 3 5/8 x 5 3/8

Maximum operating pressure 160 psi (11

Model #: 173003

Model number 25A-HD is a head mechanism for model number 25-A controls

For commercial and industrial low or high pressure

Simplifies ASME CSD-1A