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I am in the planning stages of adding a zone & circulator for new indirect DHW . A couple of years ago the following was installed; Boiler: Slant/Fin Sentry S-120 Aquastat: Honeywell L8148E Relay: Taco SR504-EXP running 4 circulator zones My game plan is to make the indirect zone Zone 4 which...

New boiler and multi zone relay installed a couple of years ago. The the end switch (X X terminals) are not wired in the relay box and there is a jumper connecting the thermostat terminals (T TV) on the aquastat. Why would it be wired this way? Boiler: Slant/Fin Sentry S-120 Aquastat...

This is a follow up question to my other post "Best way to remove lead cap in cast iron main trap" https://terrylove.com/forums/showthread.php?t=24926 I went to Home depot and they have caps made from brass, lead, pvc and of a rubber/plastic expansion design. What is the plus and minus of...

With showers I have a slight back up in my basement at a slop sink drain next to the main drain. Figure the main trap and/or the pipe to the cesspool is clogged. The lead plugs in the cast iron trap and line out are stuck. I am using an 18" monkey wrench but am afraid to go bigger or to use a...