Quote:
Originally Posted by gmc
You have 3 quarter turn valves to bypass (or not) the water heater... The handles are either parallel to the line (open) or perpendicular/crossing the line (closed)
Winter mode - the blue line entering the water heater and red line leaving the water heater should be CLOSED - the valve joining the blue and red lines outside the water heater should be OPEN.
Normal mode - the blue line entering the water heater and red line leaving the water heater should be OPEN - the valve joining the blue and red lines outside the water heater should be CLOSED.
So in winter, water doesn't enter/leave the water heater - it follows the 'bypass line' that joins the blue to red...
In normal use, the water flows thru the water heater - and not thru the bypass line.
The use of the bypass greatly reduces the amount of antifreeze used in the system (the heater itself is typically 6 gallons...) - and amount of water needed to flush lines in spring - if winterizing with that method...
(Also makes it simpler to blow out lines with air - though after all is empty, the valves could be returned to normal immediately as there is no flushing required...)
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Exactly the info I needed...thanks!!!
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