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Bestway Flowclear Heat Pump Pool Heater 4kW

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If you're put off taking a dip in the water because it's just too cold, then the Bestway® Pool Heater is an absolute essential for you!

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Product overview

If you're put off taking a dip in the water because it's just too cold, then the Bestway® Pool Heater is an absolute essential for you!

This Pool Heater is a simple and effective way to warm up water in your above ground pool, creating a comfortable and relaxing environment to swim or play in.

The electric pool heater has two hose outlets, one of which connects it to a filter pump and the other to your above ground pool. Clear, clean and pristine water is pumped into the above ground pool heater via the filter pump, where it’s then heated and pumped back into the pool.

This swimming pool heating system is compatible with Bestway filter pumps and sand filters with a flow rate of 2006L/hr or more, with capacities up to 30,000L. Please note pump is required for pool heater to work effectively; heater connects to the pool filter via 38/32mm hose & adapters (included).

The digitally-controlled heater has a soft-touch control panel & a maximum heater output of 40°C (104°F). Depending on your pool size and your preferred temperature the pool heater can take anywhere between 12 hours to 3 days to warm the water. The swimming pool heater has the ability to increase water temperature by approximately 0.5°C to 1.5°C per hour. Once again, this varies from pool size to pool size. Once desired temperature is reached, simply switch off your heater (no thermostat included).

This energy-efficient pool heater generates an impressive 4.4kW of heat for your pool, while consuming only 0.92kW of electricity, resulting in remarkably low operating expenses. This translates to a coefficient of performance (COP) of 4.8, which means that for every 1 unit of electricity it consumes, it can produce 4.8 units of heat for your pool. These features make it an excellent choice for those who want to keep their operating costs low while still enjoying a warm pool. (Tested at 26°C air and water conditions)

Warm up your swims & grab one of these today!

Compatible with our Bestway Pools & Pumps/Filters with codes; 5611Y, 5612A, 56370, 56439, 56450, 56458, 56587, 56622, 56625, 57375, 58389, 58391, 58497 & 58499

Please note this heater features an internal protection function that prevents the heater from running in temperatures colder than 12ºC (54ºF) and hotter than 43ºC, avoiding any damage to the internal system from overworking itself.

• Heats above ground Bestway Pools up to 40°C with flow rate of 2006L/hr or more.
• Plug & Play installation
• Temp. increase by approx. 0.5°C to 1.5°C per hour
• COP of 4.8 (1 unit of electricity it consumed, it produces 4.8 units of heat)
• Heating time depends on size of pool
• Ambient working temperature 12-43ºC (air temp)
• Digitally controlled with soft touch panel
• Must be used in conjunction with a Bestway Pool Pump
• Connects to pump/filter via 38/32mm hose & adapters (included)
• Switch off once desired temperature is reached
• Green Refrigerant R32 low GWP value
• Low water flow switch for safety
• 1 Year Warranty

Ambient working temperature: 12-43ºC (Internal protection function prevents heater from running in temperatures colder than 12ºC or hotter than 43ºC, avoiding overworking)
Hose connection: Connects to pool filter via 32mm hose connection (included)
Cord length: 2.8m
Suits: Bestway Pools with flow rate of 2006L/hr or more
Max pool size compatibility: 30,000L
Unit size: W 42.5 cm x D 56.5 cm x H 44 cm
Rating: IPX4
Voltage: 220-240V, Capacity: 4400W, draw 920W
Weight: 29kg

Note: Pool heater is supplied with a portable residual current device with RCD not exceeding 10mA. This product cannot be used with an extension lead or cable

Product code: 58748

View user manual


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Our friendly and knowledgeable gurus are trained to answer all your questions as quickly as possible. So if there’s anything you need to know just give us a call during business hours, or send us an email any time.

0800 800 880

Questions and answers

1 vote
Can this be used for an Intex pool??
We have not tested this. It is compatible with the bestway pool range
By Trade Tested on December 29 2023
0 votes
Could this work with saline rather than chlorine?
We cannot recommend this, this heat pump is not built to handle the corrosive properties of salt/saline.
By Trade Tested on December 28 2023
1 vote
Is there an option to change the length of the power cord?
No sorry there is only one option of cord which we can supply which is the factory original part. The power cord is 2.8m long.
By Trade Tested on August 25 2023
1 vote
Can these be used to cool water also.
No, they can't.
By Trade Tested on June 19 2023
1 vote
What is the COP rating for this unit?
The COP rating provided for this product is 4.8
By Trade Tested on June 13 2023
1 vote
Can this be plugged into a normal 3 pin plug or does it need it a substantial feed?
These connect to power supply through a 3 pin plug
By Trade Tested on May 10 2023

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Read reviews that mention

what a difference

I got this in the middle of winter and it got my pool up to 25 deg ... The problem was I stopped using it as it was too cold when you got out! However this summer it has been a game changer - it starts up for a few minutes when the pump for the filter comes on and tops the temp up - its been the perfect temp all day long. A real winner.

clay auckland