10
EMERGENCY
Should the heater be subject to flood, fire or other damaging conditions,
turn the power and water to the heater off.
DO NOT
place water heater in
operation again until it has been thoroughly checked by qualified service
personnel.
Construction of Single Wall Heat Exchanger
Consists of one copper tube, wound into a coil. The ends of the tube are
soldered into the brass fittings that mate with the hot water supply.
Construction of Double Wall Heat Exchanger
Consists of two copper tubes, one inside the other, wound into a coil.
The outer tube is soldered into the brass fitting that mates into the tank.
The inner tube is soldered into the brass fitting that mates with the hot
water supply. The gap between the two tubes is open to the air, allowing
visible detection of any leaks, as well as preventing any cross
contamination between liquids.
CLEANING THE HEAT EXCHANGER
Shut off water supply to tank and boiler. Remove the heat exchanger.
Flush inside of heat exchanger with water. Rinse outside of heat
exchanger with water and scrub with soft bristled brush.
Install heat exchanger, turn on water and bleed air from system.
Summary of Contents for S27TPP
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