Most garden and hardware supply stores sell such pipes so getting them should be no problem.
Black roof solar hose.
The dual spiral black poly pipe solar water heater.
The result is solar heated pool water.
Made using 50 1 4 black tubing black poly pipe.
Attach on end of the hose to your homes incoming cold water line.
The black fitting going through the wall goes to the array of pipes on the roof for the warm water.
Sand all smooth surfaces prior to gluing to assure a good seal.
The first method of solar hot water heater homemade is as follows.
The top is a smooth 1 1 2 y adapter with a 1 1 2 to 1 2 threaded adapter in one side with a 1 2 male to male threaded nipple to a 1 2 ball valve and a 1 2 threaded to ribbed adapter that the vinyl hose slides on.
Take the other end of the hose and attach it to the cold water intake of your water heater.
Using large loops stretch a 100 foot long black garden hose out over the southern side of the roof.
Being black the hose absorbs the suns rays and becomes hot heating the water.
Easy to install this pool solar heater uses your existing filtration system and has 4 end caps 2 elbows for flex hose connection 6 stainless steel hose clamps 1 roll of teflon tape and rubber connector hoses.
The outlet from the pump goes vertically upwards and has a 1 to 3 4 reducer which goes to the garden hose via a 3 4 barrel nipple.
I used two hose clamps on each hose fitting to avoid leaks.
Installing black polyethylene pipes or poly pipes provides heat for your swimming pool with the help of solar power.
Solar panels equal to the area of the pool might be ideal but vinyl solar panels are easy to add so the diy installer can test the effects of a few panels on pool temperature and pump power before investing in.
Simple modular design allows for several to be chained together.
The pool pump runs the pool water through this black hose and back into the pool.
Then string out the middle part of the long hose along the ground or throw it up on a roof.
Tube on web design the tube web tube design allows the sunheater to capture the most sun possible maximizing square footage.
The garden hose has a hand operated spray gun for the actual shower head.
An alternative to hose are vinyl solar panels that add some heating efficiency to this system and cost less than 150 per 2 x20 panel.