In operation they will interrupt the electrical current to the firing device if the water in the system drops below the boiler manufacturer s minimum safe water level.
Mcdonnell miller low water cut off 67.
Mcdonnell miller 67 low water cut off with manual reset switch residential commercial steam boilers part no.
For residential and commercial applications for boilers of any steaming capacity quick hook up fittings provided lever operated full port ball valve for easy blow down adjustable bx outlet for easy installation dual precision switches for dependable operation of the low water cut off and alarm or electric water.
The mcdonnell miller low water cutoff kit is ideal for either residential or commercial use and consists of 2 nipples an l shaped brass tube and nuts.
This low water cutoff works with steam boilers of almost any steaming capacity with a maximum steam pressure of 20 psi and it features quick hookup fittings dual precision switches and a.
Mcdonnell miller is a leader in engineering and manufacturing boiler controls liquid level controls low water cutoffs and flow switches for steam and hot water boilers in industrial commercial and building trades applications.
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Mcdonnell miller 149600 67 g 67 float type low water cut off for millivolt service steam for residential and commercial applications specifications for boilers of any steaming capacity quick hook up fittings provided lever operated full port ball valve for easy blow down adjustable bx outlet for easy installation dual precision.
Mcdonnell miller 149400 67 float type low water cut off steam features.
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Mcdonnell miller series 67 low water cut offs mechanical for steam boilers.
Lever operated full port ball valve for easy blow down.
New 3 from 354 38 free shipping.
Mcdonnell miller series 67 low water cut offs mechanical for steam boilers.
Mcdonnell miller low water cut offs are specially designed to protect steam and hot water boilers from the hazards of a low water condition.
67 for millivolt service.
The series 67 and series 767 low water cut offs are float type boiler controls designed to interrupt current to the burner whenever the water drops to the cut off level.
Mcdonnell miller is the industry leader in low water cutoffs.
Quick hook up fittings provided.
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Mcdonnell miller series 67 low water cut off for commercial residential or industrial applications.
