my installer is very slow, i am still waiting for him to install the second half of my system, in the mean time i am getting some of the prep work done. i am running the lines to the 3 zones for my radiant system, what i have so far is, 2 zones that are garage floor, basement floor, 1/2 pipe in the slabs, manifolds, 3/4" pipe comin from the manifold, the third zone is a heat exchanger with 1" npt that i am necking down to 3/4 propex. these 3 zones are going to a manifold of my own design, however i need to know what size of fittings are generaly on 2-ton water to water heat pump, not the field loop fittings but the heat loop fittings. i am guessing 1" but need to know for sure, the obvious answer would be to phone my installer and ask him, but he is unavailable for a little while and by the time he gets back i will be gone. i kinda want to get some parts ordered and some work done so any help would be appreciated. thanks
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