Page 12 RAIN Dec 1975 BUILD MANIFOLDS: Measure center-to-center distance between every other valley on corrugated sheet. Build manifolds (headers) into which runner pipers (header pipes) fit at each end of collector. CUT PIPE RUNS: Cut and thread runner pipes (header pipes). Use pipe vise to hold pipe. CONNECT PIPE ASSEMBLY: Assemble runner pipes into manifolds. Wipe oil on inside of heater hose and on pipe ends to ease hose over pipe. RIVET COLLECTOR SHEETS: Size corrugated sheets to fit inside box, resting on insulation. Drill holes and rivet sheets together along the long edge. This is the absorber plare . WIRE PIPE ASSEMBLY TO ABSORBER PLATE: Lay runner pipe and manifold assembly onto absorber plate which is still outside box. Hammer holes in absorber plate about every foot near pipes. Run wire through holes and twist tight, cutting off excess and bending wire away from foil to prevent puncture. If the storage tank can be located higher than the solar collector, and the collector top connected to the tank top, then no circulation pump is normally needed. When water is heated, it expands and thus weighs less per unit volume. Thus, the heavier cool water in the storage tank flows down into the bottom of the collector, pushing the lighter heated water up into the storage tank. 16- 3/4"x3/4"xl/2" tees, 143/4"x4" nipples, 1/2 pint can pipe joint compound, 8-1/2"x5" nipples cut in half. 8 pieces 1/2"x7'3" galvanized iron pipe (60' total), 1 pint pipe threading compound. 3' of 3/4" I.D. automotive heater hose, cut in 3" lengths, 16-1" • stainless steel hose clamps, pipe threading oil. 2 pieces corrugated galvanized steel roofing 26"x84", 1 box 3/16"xl/4" pop rivets. 10 feet galvanized bailing wire 2- 12" pipe wrenches, 1 pipe vise on portable stand (rent), tape measure. 1 pipe cutter, on 1/2" pipe threading die with handle (rent). 2 screwdrivers (for hose clamps). Use pipe wrenches again. Tape measure, 1 hand pop rivet gun, 1-3/16" metal drill bit, 1 hand drill with shoulder brace 1 nail, pointed punch or awl (use hammer again). Vise-grips, diagonal sidecutting pliers, plain pliers. 1 j
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