McDonnell & Miller

McDonnell & Miller Universal Water Feeders are ideal for use in residential or small commercial applications. Versatile and compact, they are easily installed to operate with either a probe- or...

The Series PSE-800 probe type LWCO uses patented technology to monitor changes in water conductivity. When defined parameters are exceeded the new PSE-800 makes a decision to shut the burner off...

Features Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder Packless bellows 1″ NPT...

The RB-122E Low Water Cut-Off is specially designed to protect hot water boilers from the hazards of a low water condition. If the boiler is starved from water, it can have catastrophic results, from...

The RB-122E Low Water Cut-Off is specially designed to protect hot water boilers from the hazards of a low water condition. If the boiler is starved from water, it can have catastrophic results, from...

Features Heavy duty construction Includes No. 2 switch Optional manual reset available Maximum boiler pressure: 50 psi Use with TC-4 on hot water systems Suitable for residential,...

McDonnell & Miller Series 67 149400 Low Water Cut-Offs Mechanical For Steam Boilers The McDonnel & Miller Series 67 provides continuous protection against a low water condition. Furthermore...

McDonnell & Miller Series 51 134700 Mechanical Water Feeder Features For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) capacity with cold water feed Quick-change...

McDonnell & Miller Series 47-2 132800 Water Feeder With Low Water Cut-Off The McDonnell & Miller Series 47 and 47-2 provide continuous protection against a low water condition. Furthermore it...

McDonnell & Miller Series 101-A 169400 Water Feeder Features For low pressure steam boilers with cold water feed Eliminates necessity to manually add water to the boiler Can be used with...