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  McDonnell & Miller LWCO Low Water Cut-Off Switch - 24 VAC
McDonnell & Miller LWCO Low Water Cut-Off Switch - 24 VAC
Click to enlarge
The Series 800 controls provide continuous
protection against low water conditions for residential, commercial and industrial applications. Increased probe sensitivity prevents nuisance shutdowns, and a new test feature diagnoses shorted probe problems at installation. The improved userfriendly diagnostic LEDs simplify installation and troubleshooting, ensuring proper operation and saving time.

Typical Applications:
Low water cut-off protection for steam and hot water
boilers.

Features:
• Green LED power indicating light
• Red LED low water indicating light
• Shorted probe indication
• Delay on break (DOB) and delay on make (DOM) indication
• 7,000 ohms sensitivity
• Extended barrel, remote and short probe models available

Benefits:
• Faster installation time
• Easy system troubleshooting
• Fewer nuisance shutdowns

Specifications:
24 VAC / 50 VA
3/4" MPT Fitting
NEMA 1 enclosure, UL and CSA listed
Maximum ambient temperature 120°F (49°C)
Maximum steam pressure 15 psi (1 kg/cm2)
Maximum water pressure 160 psi (11.2 kg/cm2)
Maximum water temperature 250°F (121°C)

For More Information View:
Series PS800 Spec Sheet

Part Number: PS852M-24

Price: $191.81

 
 
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