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Domestic hot water coil hookup
temperature pressure relief valve
aquastst
automatic air valve 
valve
electric hot water heater
circulator pump
valve
Cut holes with 1 1/8" hole saw where shown . Install coil with hardware provided. Hook up as shown above. If distance between unit and tank is less than 10 feet the circula- tor pump and aquastat are not needed. Aq- uastat is to turn on pump when water reaches about 140 degrees in systems over 10 feet apart.
DO NOT BURN WET COAL
