(See photos) Found an experienced contractor I can hire to add the LWCO and spill switch to my WM. We've eliminated the option of replacing the hi-limit with Hydrolevel combo limit and lwco. See photos for 2 suggested locations. One is in Zone 1 piping, but he found another location on the pipe holding the boiler vent; he could put a tee in and put the lwco in and then put back the boiler vent. I prefer the boiler vent option since less pipe cutting, but it would be a bit lower height than the other. I'd suppose the higher up the LWCO the more protection? Any suggestions?
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