Installation Instructions

In the unlikely event that instant hot water is not

available, the circulator impeller may be blocked by

calcium/sediment deposits. Follow these steps to

clean the impeller:

11..

Isolate the circulator from the system water pres-

sure by closing the valves on either side of the circula-

tor. If the circulator cannot be isolated, it will be nec-

essary to turn off the main water supply.

22..

Turn off the power supply.

33..

Loosen the brass ring holding the circulator head to

the pump housing. Be careful a small amount of hot

water may still leak from the connection

44..

Remove the circulator body from the pump housing.

55..

Remove the impeller assembly from the circulator

body by pulling gently upward.

66..

Clean the impeller assembly using water and a

brush.

77..

Remove calcium/sediment deposits from the

impeller passages.

88..

Re-assemble the circulator by reversing steps 1-5

above.

COMFORT PUMP