Depending on what type of flow switch is in the plumbing will determine how it is changed out.These are usually glued into the plumbing line with no unions or gate valve on either side of it,If this is the case for you tub then you will need to drain the tub or isolate it from the water so you can plumb in a new flow switch.RodUS Parts Center888-521-6183
Most hot tubs have a freeze protection that will lock you out and run the pumps full blast with no heater if the temerature is under 50 degrees F.The circulating pumps create heat until the water temp is above 50 degrees, and then the heater will come on after that.
Hot tubs do this to protect themselves and it is normal operation.
Question edited for clarity.
Question moved from Computers category.
Yes if you swap everything that is connected to electricity over to 220 volts. It is marketed as a 110 volt spa eliminating the problems of running 220 volt power.
https://www.google.com/search?q=lifesmart+ls350+plus+220+volt
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Question edited for clarity, 'till' refers to turning over soil, 'tilling', 'until' is the word you need.
That sounds like a thermostat problem. The heater should only be on when water is circulating, even if it is just in the standby mode before the high pressure jets are turned on.
Contact your installer or one of the parts suppliers in the link. It is unlikely to need a new mainboard.
https://www.google.com/search?q=Maax+461+Heater
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Chemistry is the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
OH Code is Overheat, so all the things you tried are not relevant. Low flow is normally the reason, too much heat build up in the heat exchanger so it cuts out.
So, the next time your spa throws you a OH, OHH or some other "overheat" error code, you know what to do. Clean or replace the spa filter, open all the jets and turn the pump on high. If you still have problems, check over your temp sensor and high limit circuits for wire, plug or sensor problems.
Question edited for clarity, spelling of maker and order of 'make model (what it is)'.
Question moved from Sewing Machines category.
It appears to be a New Zealand product made in Australia. We are in North America. This link should find you one and also has a link to the maker.
https://www.google.com/search?q=+leisurerite+GL2000+spa+replacement+cover
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