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Thread: Autofill/Level Plumbing

  1. Back To Top    #1

    Join Date
    May 2015

    Autofill/Level Plumbing

    When I had my pool built last year I had the builder put in an autofill, but just stub it out. I am going to connect it up this weekend, but wanted a sanity check on the approach.

    The autofill is a CMP25504 and they ran a 1" line back to my foundation which is just capped.

    I also picked up a 3/4" Zurn/Wilkins 34-720A Pressure Vacuum Breaker (PVB) to prevent any backflow.

    My plan is the following:

    - Plumb an extra 1/2" supply line to a hose bib
    - Use stainless steal washing machine supply hose from hose bib to 1/2 - 3/4 adapter into Zurn PVB inlet
    - Attach Zurn PVB outlet to the autofill 1" line with a 3/4" to 1" coupling

    Anyone see any issues with this or have other suggestions?

    Thanks in advance.
    20x40, IG, gunite, rectangular, 32k gallons, 3'6 - 8'6 deep, filled 8/5/2016, 36" raised beam, 3x hammered copper wall bowl scuppers w/ pump. 8' diving board. FNS Plus 60 DE filter, IntelliFlow 2 VST pump, IntelliChlor IC40 SWCG, Rheem 400k btu propane heater, Blue Surf PebbleSheen, Easytouch control system w/ ScreenLogic Interface, 2x IntelliBright 5G LED lights, Polaris 380 cleaner w/ booster pump.

  2. Back To Top    #2

    Join Date
    Mar 2015
    Sugar Land , TX

    Re: Autofill/Level Plumbing

    You do not have to use the stainless steel line, to save $$ you can just use pvc but either way will work just fine
    8500 gallon IG Pebble Sheen with Spa. 3hp Pentair VS Intelliflo ( pool ), 3/4 hp WhisperFlo ( water feature ),Pentair Racer, 400K Pentair heater, Pentair 500sqft Cartridge filter, EasyTouch 8, Stenner 45mp2 15gallon wired to ET8

  3. Back To Top    #3

    TFP Guide

    In the Industry

    Join Date
    Apr 2015
    tucson, arizona

    Re: Autofill/Level Plumbing

    Might want to take winterizing this setup into consideration to make it easy when you close the pool

  4. Back To Top    #4

    Join Date
    Apr 2017
    sacramento CA

    Re: Autofill/Level Plumbing

    I have my auto fill connected to a 3/4 pvc pipe that goes to a standard anti-siphon valve. Like the kind on your sprinklers. Manually operated nothing special. I leave it set to 1/2 way on and the float does the rest.

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