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pressurtol settings?

Zenia_2
Zenia_2 Member Posts: 3
Hi Everyone me again! What should be the pressure setting on a Honeywell L404F What should the diff. be set at neg. what?? and the main I gather should be at 1 PSI or .5? Could it be that my new boiler is running on too much pressure and throwing water into the mains and then steam it up and thats where the water is going? Comments? Thanks again!!
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