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McDonnell & Miller: LOW WATER CUTOFF

October 18, 2000
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A new series of low water cutoff/pump controllers featuring environmentally friendly, mercury-free, snap-action switches is available. The 42S Series is for installations with operating pressure below 50 psi or for applications that require wider differentials at lower pressure. The units have two switches, one to operate a boiler feed pump and one to interrupt the burner circuit in a low-water condition. Also available are the Series 42-A with quick hook-up fittings and Series 42-N with gauge glass tappings. On small boilers, these options make the controls easier to install, the manufacturer says.

McDonnell & Miller, a unit of ITT Industries, 3500 N. Spaulding Ave., Chicago, IL 60618; 773-267-1800; 773-267-0991 (fax); www.mcdonnellmiller.com (website).

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