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Thanks SewerRatz, I'll upsize the CPVC to 1" and let ya know how it works out. I needed some small pipe for my rabbit watering system so all is not wasted. natec904

Sorry,I didn't express myself correctly, I didn't mean the physical connection from 1" to 3/4", rather, does going from 1" to 3/4" at the threaded hub do any good or is upsizing to 1" a waste of material. ie: Since the hub is 3/4" then anything larger is useless?

Thanks, I did several searches on this site and found what I believe is the answer to my problem (or at least one answer) and that is the sizing and length. Rather than using 1/2" cpvc I should have upsized to 1" and all the changes in direction within the solar added to the increased length...

Hi all, firstly I am a master electrician not a plumber. Electrical theory I am good with but have absolutely no training or technical knowledge of plumbing systems. I designed and built a three tank solar collector which I installed in series with my existing electric heater. My theory is that...

Hi all, firstly I am a master electrician not a plumber. Electrical theory I am good with but have absolutely no training or technical knowledge of plumbing systems. I designed and built a three tank solar collector which I installed in series with my existing electric heater. My theory is that...

Thanks for the responses guys.What Randyj siad about a vapor barrier I believe is true.The first study did say that a barrier had to installed(plastic glued at the seams and held down by sand or concrete or concrete slab). To the 68 deg. issue.Here in Florida I have long been told (I haven't...

David,to coin a British phrase,you are "spot on" when you say "if you need it.I've just been doing more research and found some studies by the DOE (Department of Energy) and EERE ( Energy Efficientcy and Renwable Energy) I found one article that bsically said that in the past vents were code...

I had considered the humidity issue.Like Cass I too have worked in many crawl spaces with and without vents and have found two conditions common to most; a)During the summer they are cooler by far than the ambient temp.and b) They are usually powder dry. David mentioned managed ventilation.I...

I am considering enclosing,with styrofoam/polystyrene board,the under space(from the bottom of the home to the earth, approx 36") in an attempt to trap in the earth temp. and thereby create a passive radiant heat source (the earth) based on the premise that the earth is a nearly constant 68 deg...