Waterco Electro Heat Ultra Low 22kw to 35kw Heat Pumps, Single & 3 Phase Models

Waterco Electro Heat Ultra Low 22kw to 35kw Heat Pumps, Single & 3 Phase Models

£5,796.00£7,134.00 inc VAT



The Waterco Ultra Low Range Provide Extended Season use and Operate down to Zero Centigrade

1. Description

The Waterco products are assembled in Canada using mainly components from the USA.

The Ultra Low range operate at low temperatures and therefore provide summer or extended season use.

2. Features

All Waterco Ultra low heat pumps supplied by HeatPumps4Pools have the following features:-

  • Hot-Gas defrost system for low temperature operation
  • Operates down to 0c (although a minimum of +5c is recommended)
  • Titanium heat exchanger – The use of titanium for the heat exchanger leads to efficient heat transfer without any dangers of corrosion.
  • Digital control panel on all models
  • Green UK & European compliant refrigerant gas
  • Weatherproof ABS cabinets, UV resistant
  • Top mounted fan
  • Flow switch to turn off the unit when there is no water flow
  • Compressor protection time delay
  • Scroll compressor
  • 50mm/1.5″ pipe connections
  • R410a refrigerant gas
electro_digital_display electro_plumbing_connections electro_heat_exchanger
Digital Controls

Easy Plumbing connections

Large Evaporator Area

3. What size heat pump do I require for my pool?

Waterco’s guide for the sizing of your heat pump is as per the table below:-

Waterco Ultra Low Sizing Chart

Many factors can affect the sizing of a heat pump for your pool. You are therefore strongly advised to contact us to get an accurate sizing recommendation for your particular pool.

4. Specifications

Please see Specifications tab at the top of the page

5. Optional Extras

Bypass Kit Please see our Bypass Kits section section for more information.
Winter Cover The unit comes with a lightweight winter cover, however we offer a heavy duty cover which will give you added and extended protection against the winter weather

Please see our Winter Cover section section for more information.

6. Installation

Installation is straightforward. We can provide advice on installing your heat pump. We can also offer an installation service if required.

We recommend that a bypass is installed to allow the heat pump to be drained in winter if not in use. We sell bypass kits if required.

Please see our Installation Tips pages for information on how to install your heat pump. Our Photo Gallery also has photograph examples of pool heat pump installations and please also see the FAQ pages for more information

Please contact us for further advice

Waterco heat pumps can be installed outdoors or in a pump-house or shed by using the through-the-wall vent kit (sold separately).

Please see our Installation pages for photographs of examples of pool heat pump installations and also the FAQ pages for more information

14. Delivery

The price includes FREE UK delivery, and will be delivered in approx 1-week from order. (excludes Scotland and some UK postcodes).

We can ship the Waterco heat pumps to any country. Please contact us for a shipping quote.

15. Warranty

All Waterco products come with the following parts and labour warranty in the UK:-

  • 10-years warranty on the titanium heat exchanger
  • 3-years warranty on the compressor
  • 1 year parts and labour warranty on all other components (subject to terms and conditions)

Units shipped outside the UK are supplied with a parts-only warranty.

16. Technical Support

We are happy to provide technical support for all Waterco Inverter swimming pool heat pumps that we supply.

We hold spare parts to support all Waterco heat pumps both during and after the warranty period

17. Product Literature

Please see the Literature tab at the top of the page for the Brochure and User Manual downloads.

18. Assistance?

If you need any assistance or advice as to which model would be best for your pool, please email us

for more information, also see our FAQs page

All items sold in accordance with our terms and conditions

for all enquiries, please contact us at enquiries@heatpumps4pools.com

Please click the links below to download pdf brochures for Waterco products



We accept all major credit and debit cards, Bank Transfer (BACS) and Paypal

All major credit cards accepted

Paypal Credit

paypal credit banner

For details of PayPal Credit please click here: PayPal Credit


The prices shown include FREE UK delivery for orders over £50 or £6.50 for orders under £50

We can ship to any country. Please contact us for a shipping quote.

The lead time on most items is normally on a 1-2 day delivery,  subject to availability. Please call to check availability.

Additional information

Weight 70 kg

22kw, 29kw, 35kw


Single Phase, 3 Phase

Corona Virus Update

Despite the UK lockdown, we are open and operating as normal.

Our phone lines are open, please call us, use our online chat facility, or email us