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Preasure switch rating

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John Lasky
John Lasky Member Posts: 35
in THE MAIN WALL
Good morning everyone.

My problem of the 2 cold radiators upstairs off the end of the main is solved thanks to this site.

I vented the main and that helped , I also cleaned the boiler and that combined with the mains vent did the trick,
the darn nasty water hammer went away too.

As for my preasure switch Its the OEM (honeywell) that came on the boiler from HB Smith. GB series

The range on my existing switch is 3-15 psi I have it set just above 3psi so I didnt bottom out the switch.

should I install a switch with a lower range say 1-?? PSI Ive read on this site and have been told the lower the preasure you can run at the better.

MANY THANKS "John"
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