NorthStar 157495 Owner's Manual page 23

1) Disconnect the swivel fitting from elbow to the
inlet of the coil
2) Remove the "Cap" fitting from the flow switch.
3) Slide out the "Shuttle Assembly". If the
magnet in the shuttle assembly is damaged or
missing, replace the entire flow switch
assembly.
To order a replacement flow switch
assembly, call Northstar Product Support at 1-
800-270-0810.
Swivel Fitting
Cap
Fitting
23
Shuttle Assembly
(Bottom View)
4) Observe the "Shuttle Assembly" and internal
portion of "Body" for obstructions, hard water
deposits and any other foreign debris.
Remove the foreign debris with light scraping
or compressed air. If no additional cleaning is
required continue to Step 7. If additional
cleaning is required continue to step 5.
Shuttle
Assembly
(Side View)
Magnet
Internal
Sections