Know More Risk: Low Water Cutoff

This video introduces the hazard of a boiler overheating and the role of a low-water fuel cutoff device to mitigate the hazard. In addition, proper inspection maintenance practices for low-water cutoffs will be introduced.
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[@jagroopsingh1873]

How to do with pressure differential type??

[@boydbryant2353]

I have to get real here so you can see who I'm dealing with, we have a four zone to pumps to this building,this a church building so we don't leave boiler constantly running. I wouldn't have low water level problem if they would simply turn off the thermostat. They will leave the sanctuary and turn off the boiler by the switch on the boiler, leaving the pumps running,now I can't the low water switches to reset.