Hello looking for some help on the correct way to wire my aquastat ihave a dunkirk xe-5 gas boiler a taco sr504 a boilermate indirect wh.which I will run as a priority I have a honeywell 8148 and a 8124 which one would work the best I plan on running cold start on the boiler how would I wire it so primary pump runs with each zone pump kicks on I have radiant tubing 4 zone pumps and priority on supply side of boiler what is most efficient way to run boiler looking for an expert opinion thanks for your time

I show no XE-5 boiler listed on there site.

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I can tell you this much if that baby is cast iron you have to keep the temps up or it will damage the boiler. Cold start?? Might not be a good idea depending upon what you are really going to do. BTW I suggest you get a 5 zone control panel for complete control.