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Thread: pump at 30psi when off and goes to 44psi when on

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    pump at 30psi when off and goes to 44psi when on

    We started our pump for first time this year last night. We noticed the psi was at 44psi when usually we run at start up 12psi very odd. Did a backwash,rinse cycle psi no change. Thought we would just check on it later and blew a 10 ft water spout shortly thereafter. One of the hoses blew off. We have an old hayward sand filter. Checked all parts and added new sand to top off this year. Last year replaced all sand. Any ideas for us on the psi being so high? Should we start with changing the guage?
    Doughboy Above ground 7600 gallons, Hayward sand filter with 1 hp pump, Virginia Mountains

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    Mod Squad jblizzle's Avatar
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    Re: pump at 30psi when off and goes to 44psi when on

    If it does not go to zero when the pump is off, then you need a new gauge.
    Jason, TFP Moderator
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    elwood58's Avatar
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    Re: pump at 30psi when off and goes to 44psi when on

    Time for a new gauge.
    19204 Gallon L Shape with a 10X10 2nd Step Baja Ledge. Intellichlor IC-40, IntellipH, Cartridge Filter, Pentair Heater/Chiller (Heat Pump). Tons of Deck with Deck Jets. Construction Complete 6/5/17.

    "If you don't measure it, you can't manage it!"

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    bobodaclown's Avatar
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    Re: pump at 30psi when off and goes to 44psi when on

    Here's a place you can order online. The liquid filled gauges last longer. It's about as cheap as you can get them from the big box stores for the non-liquid filled ones. I've had mine for 2 years now no issues.
    liquid-filled-pressure-gauge-inexpensive-8-19-3-26-13-t54701.html?hilit=liquid%20filled%20gauge
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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    Re: pump at 30psi when off and goes to 44psi when on

    Thanks we are all better and within an hour went from green to "clearish" A day or two and we will be thouroughly entertained!Thanks again!
    Doughboy Above ground 7600 gallons, Hayward sand filter with 1 hp pump, Virginia Mountains

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