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Waterco Electro Heat Plus 25kw, Single Phase (Electroheat 85)

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Free UK Delivery Over £50

UK Mainland Only (Excludes Highlands)

All Prices include VAT

Waterco swimming pool heat pumps are well made and provide excellent value for money.

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

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

  • 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
  • Electro Heat Plus units have an evaporator coil around the outside of the unit
  • Top mounted fans
  • Auto defrost
  • 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

Waterco Swimming Pool Heat Pump - example installation




electro_digital_display electro_plumbing_connections electro_heat_exchanger
Digital Controls
Easy Plumbing connections
Large Evaporator Area





Waterco Dimensions
Model Width (mm) Length (mm) Height (mm) Weight (Kg)
16kw (55000) 800 860 860 79
21kw (70000) 800 860 860 88
25kw (85000) 800 860 860 96
31kw (105000) 890 920  1000 106
36kw 940 940 990  
44kw 940 940 990  


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

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

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


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.

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:-

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.


The Waterco Elecrto models are


Single Phase Electro Models
Model Electrical Power Heat Output
Heat Output
Electro Heat Plus 55,000 BTU Single phase 50hz 55,000 16kw
Electro Heat Plus 70,000 BTU Single phase 50hz 70,000 21kw
Electro Heat Plus 85,000 BTU Single phase 50hz 85,000 25kw
Electro Heat Plus 105,000 BTU Single phase 50hz 85,000 31kw











Three-Phase Electro Models
Model Electrical Power Heat Output
Heat Output
Electro Heat Plus 70,000 BTU Three phase 380-415v 70,000 21kw
Electro Heat Plus 85,000 BTU Three phase 380-415v 85,000 25kw
Electro Heat Plus 105,000 BTU Three phase 380-415v 105,000 31kw
Electro Heat Plus 125,000 BTU Three phase 380-415v
Electro Heat Plus 150,000 BTU Three phase 380-415v














Prices include delivery to most UK postcodes. (excludes Scotland and some UK postcodes).

All Electro products are normally in stock in the UK and will be delivered in approx 1-week from order


We accept all major credit cards, cheques and Bank Transfer

All major credit cards accepted

We offer an additional 1% discount on these prices for payment by debit card or bank transfer. Just choose bank transfer or cheque as the payment type when you checkout.

Product Literature

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



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
















  • Model: Electro Heat Plus 25kw, 85
  • Shipping Weight: 96kgs
  • Manufactured by: Waterco