Hot Tub LX H20-Rs1 Thermostat 110V 2kw with Adjustable Temperature Thermostat for Some hot tubs,Underground Small Pool &Bathtub（Suggest Connect 20A Adapter or Breaker
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Availability:
In Stock.
Arrives
Monday, May 25
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Size: H20-RS1 110V 2KW
Features
- Requires a 20A circuit(Connect 20A adapter or breaker),with 1.5" outlet , min 0.35MPA pressure,suggest work with at least 0.25HP,suitable small bathtub & spa tub /hot tub 2 KW /110V-120V.No plug, just 3 cables,Black Cable is Live,White Cable is Neutral,Green Cable is Grounded.
- We suggest water capacity not more than 400 US gallon,the heater won't work if it exceeds the standard, see the picture 2.
- We suggest the pump not less than 200 wat (3600 L/ h), small pump will cause the heater cannot work,see the picture 3.
- Make sure the mount direction is correct,arrow direction is the water flow direction,wrong direction will not make the heater work. see the picture 4.
- A quick method for detecting heating pipe damage,see the picture 5.
- When the heater doesn't work,use a multimeter to test the 4 points to determine which component is damaged,see the picture 6.
- If have any issues with heater,please take some photo of the using environment,including installation direction,set temperature,pump and water capacity,we will help you troubleshoot.
Product Dimensions: 7 x 7 x 8 inches
Item Weight: 3 pounds
Manufacturer: pool spa part
Item model number: 159l
Is Discontinued By Manufacturer: No
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, May 25
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I bought this for my 8' stock tank pool to make it a hot tub during the winter. I read other mixed reviews that had also bought it for converting a stock tank pool to a hot tub. I gave it a try because I didn't want to setup a propane instant hot water tank setup. It did take a couple trips to the local hardware store to get all the proper fittings but I got it all connected and up and running. I did run into the same problem at first of the heater not kicking on so I tried taking the top cover off like others said they did and I tricked the switch to be on. Also I did have to plug it into a 20 amp plug. While I was trying different things, I had changed the filter on the Intex 1500 filter pump and noticed the flow switch was working like it should so I put it back together with no modifications and it works great, I just change the filter every 2 to 3 weeks and have no issues. I did also buy a Bayite temperature controller plug and plugged the filter pump into it on the heat plug and have the temp set to turn off at 100° and have it kick back on at 98°. I did have to change the plug on the Intex filter pump to a non GFI plug because every time the temperature control plug shut off when it reached 100° the GFI plug on the pump would pop off. I have had no issues in 2 months now and am loving it. It did take a few days to get up to temp, I live in the foothills of California and the temp here recently has been in the high 50's to low 60's during the day and mid to high 30's overnight and it keeps it to temp with no problems. I have a blue bubble cover and a black 8' pool cover on it to help keep in the heat.
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Reviewed in the United States on November 29, 2022 by Nicole
I used this in conjunction with "Key Lander Hot Tub Spa Circulation Pump; 48Frame LX Motor" pump. the inlet and outlet is 3/4 in AND it is just enough water flow to activate the heater. YES. There is a minimum flow and the pump above is what is needed. It is barely enough (going through 3/4 ingress and egress). If the filter get clogged, the heater will NOT turn on. We are using the pump and heater above to replace the all in one unit for the inflatable intex hot tub. It works great with some PVC pipe and fittings and the existing hotub. I use a thermostat (arduino microcontroller) to turn the pump on and off, which in turn turns on the pump when the temperature is too cold, and turns the pump off when it is at the right temperature.
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Reviewed in the United States on January 25, 2021 by M. J. Sears
Bought this based off other reviews online that mention it works on smaller hot tubs and mini above ground pools. I fully understand that it will take FOREVER to heat up. Now, this does heat up our 8x2 stock tank pool but I feel it is not powerful enough for that amount of water. It is hooked up to its own 20a circuit with a short 12Ga chord to the outlet 10' away. I use a 12" sand filter pump and 1.5" piping from pump/heater to pool. Heater runs how it should and temperature selection dial works perfectly. Chords and connectors stay cool and do not run hot. Plenty of water flow to turn on the pressure switch inside the heater, and it does indeed pull close to 18amps while running. I measure roughly 1-2 degree of temperature difference from water coming in and the water coming out of heater, which is not as much as I thought it would do. With water temp at 75 degrees, the heater will heat the stock tank roughly 0.75 degrees an hour with ambient temperature outside in the mid 80's. Slow enough that it is hard to tell if the temperature is being raised simply by the ambient air. I decided to try this out early in the morning at 5 AM while the air temp was in the low 60's. I had the same results of it heating the 8x2 stock tank of roughly les than 1 degree per hour. So it does heat up.... HOWEVER if you heat your pool hot enough to match the temp of a hot tub (100 degrees) with some other means like propane and try to use this to keep the pool at its current temp, it will struggle to keep up and the pool temp will drop. With the stock tank heated to 100 degrees the heater could not keep up and the temp easily went down 3-4 degrees within an hour. This was done while ambient air temp was in the mid 80's Do not even attempt to try this when the air temp is in the 50's... In short this will work with very small stock tank/pools, much smaller than 8x2. 8x2 and larger it is not powerful enough if you want to use it like a spa heater, better off to use it from freezing in the winter. Save your money.
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Reviewed in the United States on June 11, 2021 by Rylee