Question 1

Will this decrease my water pressure in the house?

Accepted Answer

Not really but...

There is always a negligible pressure drop, you are restriciting flow. There may also be a negligible drop in flow. Both dictated by: external pressure from the city/source which does not stay constant (time of day & temperature) and, how dirty the filter has gotten. Some areas have great municipal water systems others not so much. Generally the water supplied to your house even through a 2" pipe has a tremendous amount of flow capacity behind it compared to a single home. Generally city water is at least 50psi and around 55-def F. If you live where there are "water shares" or small gravity reliant sources for a neighborhood, or the southwest - you will want to be more careful. If you live in the midwest, norhtwest or the south, water pressure and flow generally are not problems.

Screw a pressure gauge from Home Depot onto an external hose bib and, onto an inside faucet (youll need an adpater)- the same way that plumbers test for pressure leaks. Before and after installation of your filter. It will give you a baseline. Remember, time of day and other factors will affect the reading a bit.

You could also get a filter housing that has a port for a pressure regulator (or differential pressure across the filter) so you can monitor the situation periodically.

Question 2

Are the port 3/4 NPT on this model?

Accepted Answer

Not exactly. The inlet and outlet threads are 3/4" NPT, but just inside it chokes down to 5/16" ID. That is only 17% of the flow area of an actual 3/4" port.

Question 3

So that nice that it treats 15,000 gallon but what is the micon size of the 1 filter that comes with it? Can it be changed from 20 micons to 5 ?

Accepted Answer

The filter that comes with it looks like the Filtrete brand. You may be able to get answers at this number 1-800-388-3458. We have used other filters with this unit. The filter type is "S" if they ask you which one you are asking about.

Question 4

Does this include the mounting bracket and wrench etc like the non clear, non valve-in-head style does?

Accepted Answer

Does not include the mounting bracket but does include the wrench. The rest I cannot help you with.  I returned mine because it leaked no matter what I did.  Common complaint on DuPont.  Plastic coupling not up to the task, too soft or whatever. Got an omni mounting is built in.

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DuPont WFPF38001C Universal Valve-in-Head Whole House Water Filtration System,blue

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