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APS TechNotes See all articles

How to change the filter in an Ametek or similar filter housing

ametek filter housing

ametek filter wrench

ametek filter
Turn off water supply to bowl assembly

Relieve pressure by depressing the red releif valve (on top) or by drawing off fluid downstream from the housing.

Turn the bowl assembly left (counter clockwise) and remove it.

It is much easier with a filter wrench.

You can find them here if you need one.

Discard old cartridge and rinse the bowl assembly.

New filters can be found here.

Ensure that there are gaskets on both ends of the new cartridge and insert the cartridge into the bowl with arrow pointing to the open end of the bowl.

Connect the bowl to the head assembly and turn right (clockwise) until tight.

Slowly turn on the water supply to check assembly for leaks, and then turn it on completely.

Flush cartridge for a couple of bed volumes before using in your system.

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