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Gulf stream heat pump for pool is saying water sensor malfunction

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Water will not fill in pool pump

main filter blocked (try backwashing) or if using "earth" filter system - wash filters - change earth.

Posted on Jul 07, 2009

  • 78 Answers

SOURCE: Heat pump will not start

Could be a firmware issue and require a new mother board. Unfortunately, you probably have done all you can on your own. Time to call the local HVAC service person...

Posted on Apr 22, 2010

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Have a hayward hp21001 heat pump set temp for 89 degrees but say water temp is 38 degrees when pool thermostat reads 76

Try replacing the temp sensor. You can test the temp sensor if you have an ohms meter that can read k-ohms. If the sensor is good then the board is probably not reading the sensor properly.

Jun 12, 2017 | Hayward Pool & Spa

1 Answer

How can I verify that water flow rate to my Hayward H series heater is above minimum required 20 GPM?

Most pool pump/filter systems are designed to achieve the minimum recommended flow rate. A pump system with at least 1HP motor should achieve the minimum flow rate, but a 0.75HP motor would likely also achieve it. The Hayward H series heaters do not include a water flow rate sensor, but rather use a water pressure sensor to verify the pump is operating. If the system has insufficient water flow even when the pressure is within normal operating limits, the heater will likely over heat and open the water pressure relief valve located on the outlet header. This condition could occur if the down-stream line is blocked (by a closed valve or similar condition). It is important to avoid this condition since the heater will release pressure via opening a relief valve, spilling water directly out of the heater manifold.

The only adjustment for hydraulic sensing within the H series heaters is the water pressure sensor. See other articles within fixya for this procedure.

Jun 21, 2014 | Hayward H Series Pool & Spa Heater 400k...

1 Answer

Index sand filter pump SF 20110 will not blow water into pool

I don't know how much time you are giving it, but sometimes when I start my pump, it'll take 20 minutes or so for it to start a full stream of water. Also, make sure the valves are turned to the unlock position on the incoming and outgoing hoses.

Jun 03, 2014 | INTEX Sand Filter Pump

1 Answer

Have a brand new AquaPro heat pump for our brand new swimming pool, It worked 3 days and quit. Is saying pool temp is 136 degrees

Thank youfor posting your question here on It sounds like the water temperature sensor is faulty. I recommendyou call AquaPro Systems at 1-877-278-2797 and they should be able to help youfigure this issue out. I hope this helps.

Ifthis answer does not resolve your issue, please comment with additional informationbefore rating the answer. Positive feedback is especially appreciated once yourproblem is solved! Thank you.

Aug 24, 2011 | Aqua Pro Swimming Pool Heat Pump 125000...

1 Answer

Ok I cant find a model number on the heater, it has some info like Gulf Stream super heater, scroll inside and Titanium inside, 106,000 BTU The pool filter gets cleaned every monday by a pool service...

There are a few things that can cause a heater to not fire up. One is, if the flow sensor is not working. There can be sufficient flow, but if the heater cannot sense it, it will not light up. Make sure that there is enough flow. Another possibility is there could be a build up on the thermal couple or the burners that is interfering. Those do need periodic cleaning. You should be able to check the thermal couple without disassembling the gas line. I would not recommend tampering with the gas system unless you are confident with what you are doing. If you feel uncomfortable with something, it is probably a good idea to contact a professional.

Dec 16, 2009 | Pool & Spa

1 Answer

Water flow lockout shows on the lcd. I can't cahnge the temp or re set it.

Press and hold down button for five seconds. If the flow problem is resolved, the heater will start up.

Sep 13, 2009 | Gulf Stream Pool & Spa

2 Answers

Pool heat pump won't keep running

It is likely that you have a low refrigerant condition and require an HVAC person to service the unit. It's not unusual to need "freon" every so often. Call the repair man...

Mar 03, 2009 | Hayward 116k BTU HeatPro Digital Heat Pump...

3 Answers

Pool and Spa Heaters pros and cons

An electric heat pump needs heat available to pump. If it is 30 degrees outside, heating a spa to 102 or so, may be impossible unless the heater has some type of alternative heat source. A properly sized, gas fired heater can take care of a larger range of heating needs. A combination heat pump and natural gas heater, probably with a controller, really makes the issue more difficult, expensive, and would require a lot of study for efficient, cost effective operation. Bottom line: In really mild climates a heat pump might do the job. In cooler climates the gas heater rules. And where a wide range of temperatures and high heat demand is wanted by the customer, a gas heater is the only way to go. A backup heat pump may take years to payout.

Aug 27, 2008 | Saunacore Special Edition Residential...

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