5) Loosen the hose bands, and remove the water supply and overflow hoses.
6 ) Remove the heater , bi metal thermostat switch and thermistor wires.
7 ) Remove one screw, and pull out the internal booster tank.( there is a hook at the
back of the boiler tank )
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8 )
To replace, reverse the above procedure.
9 ) Make a trial run, and check for water leaks.
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