Installment 3

[Norm]

To some of you who encounter swimming pools on a daily basis this installment may seem very basic. However, to those who are not well versed in pools it is necessary to identify the different types of filters, how they operate, and how to inspect them. Installment #4 for those experienced in swimming pool inspections will follow.

Here are three types of pool filters and a photo of an attachment to one of the filters. Identify each type and list any defects noted. List the filters in terms of their ability to effectively clean the pool water, their ease of maintainence, and how to inspect them.

Download Attachment: FILTER 1.jpg

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Download Attachment: FILTER 2.jpg

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Download Attachment: FILTER 3.jpg

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Download Attachment: FILTER 4.jpg

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I'll respond to the posts on Wed. 5-26-04

NORM SAGE

[Terence McCann]

Norm:

Thanks for the extra effort!

[Norm]

Installment 4 and 5 to follow tomorrow.

NORM SAGE

[homnspector]

OK, I usually refer pool inspections out but am getting a little fed up with the lack of detail and missed items.

I guess 1 is an older style bag filter, high maintenance, difficult to clean. Check the bag for rips or wear?? Not very effective filterimg.

#2 looks like some kind of DE filter maybe. I guess you could dismantle it and check the screens but I think I would just check the gauge to see if it needed backwashing and recharging.

Very effective filtering. Some areas dont like you backwashing them onto the enviornment.

#3 I think is a sand filter. I dont know what you could do bu tcheck the pressure guage to see if it needs backwashing. Maybe check the sand level. Fairly effective filtering.

#4 Trying to fool me, this is not a filter but is a special type of pressure gauge used at nuclear power plants.

[Paul MacLean]

Here's my stab at it:

1. A cartrige filter with a leaking case and the broken pressure valve in #4 was on it. Looks like time for a new filter set up.

2. DE filter. If that's a AC condensing unit behind it, they are way to close together.

3. Sand filter.