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ScottH

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Everything posted by ScottH

  1. As it turned out, our heater noise was fixed by replacing the standard pipes with larger diameter ones which allows more water to flow through the heater. So in the end it was a flow problem and not a chemical inbalance or scale build up. Much better now. Cheers
  2. Thanks....no shaking or banging, just the sound that starts to occur not long after it fires up...it's like a loud whining groaning noise. I'm getting the heater tech to come out this weekend to check it out, but I'm starting to think it has something to do with the chemical balance of the water because it didn't do it for the first few months or so, but has just started so you would think it's not a mechanical fault but something that has taken a little while to accumulate into a problem... I haven't used my spa in a very long time and recently replaced the motor due to severe corrosion on the casing and windings. Now that it is replaced, the water appears to be moving through the heater, but after a few minutes of heating I am hearing a banging noise. Could this be caused by the low flow due to corrosion. It does have kind of a pop/bang noise. Any suggestions?
  3. Hi everyone, We have a Maax Spa (Australia) dual zone swim spa, also heated by two gas units, and even when we set the economy mode to commence at say 10.00pm and finish at 10.00am in the morning, the temperature doesn't seem to change all night and in fact I still hear the low speed pumps kick in after 10.00pm, which I'm assuming is to maintain the temperature - so it doesn't feel right to me. Is there something that I'm missing? According to the reference material, when the unit is in economy mode the temp of the spa &/or pool should decrease by up to 11 deg celcius, but this doesn't happen. I have two reasons to run it like this. Firstly it should help reduce heating costs, plus when it's say 1.00am or 3.00am in the morning and the pumps start running, it is very noisy and I'm concerned that it will be annoying my neighbours as they're house is very close to the spa unit... I have set both the pool and the spa end to start economy at exactly the same time, but neither seem to be making much of a difference... Any assistance would be great..! Thanks...
  4. Thanks....no shaking or banging, just the sound that starts to occur not long after it fires up...it's like a loud whining groaning noise. I'm getting the heater tech to come out this weekend to check it out, but I'm starting to think it has something to do with the chemical balance of the water because it didn't do it for the first few months or so, but has just started so you would think it's not a mechanical fault but something that has taken a little while to accumulate into a problem...
  5. Thanks. I spoke to the Heater tech guy today and he mentioned that it was more than likely going to be a blocked filter or air in the lines, but unfortunately I have ran the pump without the filters in and done all I can to remove any possible air lock and the noise persists - now in both the spa and the pool (both heaters are separate), so that tells me that it probably is the chemical balance that has caused it. Really disappointing given that we only followed the instructions that the pool shop gave us, but it appears as though this may contradict what the heaters actually need to function correctly - eg when the heater tech came over, he mentioned that our water was hard (not sure how we can tell by just feeling it), but then he saw our most recent water test results and apparantly the alkaline is too low and the chlorine is too high... Do you think that could be the problem? If so, do you know what sort of balance we should be aiming for to ensure the heaters run smoothly? Many thanks...Scott
  6. Hi there, I'm new to this forum and we recently purchased a swim spa in Australia with 2 gas heaters (1 for spa end & 1 for swim end). Everything was working fine for the first couple of months, however now when the low speed pump kicks in to heat (thus starting the heater), the heater ignites and starts to make a very loud whining sound. If I increase the pressure of the pump by increasing the speed, the sound goes away, but comes back again if I run the pump on low speed again. I don't think there is an air lock as I have bled the pump at the union but I don't know what else to do...? Unfortunately the company we purchased from has just gone into liquidation so I don't think a warranty claim is going to be an option... Any thoughts please...?
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