From our technical experts

Calorex ‘X’ Range Heat Pumps – Models PPT ALX/BLX

  • Quiet & Economical
  • Environmentally friendly
  • Digital Thermostat
  • Totally automatic operation
  • FREE DELIVERY on this product
SKU: 2730-1 Categories: ,


Calorex ‘X’ Range Heat Pumps – Models PPT ALX/BLX  – Suitable May – Sept and April – Oct.

The Calorex Pro-Pac ‘X’ range air to swimming pool water heat pumps are made in the UK (Essex). They are ideal for pool sizes up to 20ft x 40ft (surface area).

The product codes are PPT-ALX for single phase units and PPT-BLX for three phase.

These heat pumps are specifically designed for swimming pool heating and are all fitted with a titanium heat exchanger which is compatible with all types of water treatment. All components used in the heat pump construction are designed to give maximum efficiency for swimming pool conditions. Furthermore, the choice of materials and construction will give years of trouble free service. The ideal solution for heating small to larger sized domestic pools during the UK summer season. They provide a clean and extremely efficient way of heating the pool water. The Pro Pac ‘X’ range incorporates a hot gas defrost which allows the unit to operate at a lower ambient temperature for those cooler summer days we sometimes experience, therefore making for a better heating season! They can provide your pool with 5.5 units of heat for every one unit paid for. Suitable for pools up to 35 Degrees C.

Key Features:

  • Pro-Pac Extended Season
  • Suitable for May-September and April-October
  • Single Phase – Model PPT ALX or BLX (3 Phase)
  • Titanium Heat Exchanger
  • Hot Gas Defrost – for those cooler summer days!
  • Quiet Operation & Flexible Installation
  • Digital thermostat
  • Made in the UK (Essex)
  • 3 years parts/labour warranty (UK only)

All cabinet volumes are less than 0.6m3 and comply with permitted development requirements. The built-in energy management controls allow the pool filtration pump to be operated on a time clock. The Pro-Pac will however override the time clock if heating is needed outside the timer settings. Other key features include: capacities from 43kW to 140kw, 5-year guarantee on full flow titanium heat exchanger, hot gas defrost, scroll compressors, fully automatic & economical to run, no fumes and kind to the environment, very little regular maintenance required, epoxy coated evaporator, minimum operating air temperature 5°C, R407C zero ozone depleting refrigerant, super quiet operation, digital thermostat and ease of installation in a variety of situations. Heat pump sizes assumes the following UK conditions: The entire pool is inground, ground water level is below pool construction, floating heat retention cover is used 20hrs/day and average depth of pool water is 1.3m

Heat pumps are by no means a strange invention. Similar in operation to a refrigerator, they absorb energy in the form of heat and moisture from outside air, upgrading this energy to a usable form of heat through the unique ability of their refrigeration circuit. All Calorex heat pumps contain a fully sealed non-CFC refrigeration circuit which is specifically designed to operate as a swimming pool heat pump. This means that all components used in their construction are designed to give maximum efficiency at typical swimming pool temperatures. Furthermore, the choice of material and construction will give years of trouble free service. All Heat Pumps are subject to a 3 year parts and labour warranty (UK only). The Heat Exchanger is subject to a 5 year parts warranty (labour first 3 years only).

FREE DELIVERY to UK Mainland included except Scottish Highlands, Isle of Wight, Isle of Man, Northern Ireland & Channel Islands – please call for a quote giving your postcode. Item price is inclusive of 20% VAT

Additional information


Heat Pump Model Pro-Pac PPT8ALX – Single Phase, Heat Pump Model Pro- Pac PPT12ALX – Single Phase, Heat Pump Model Pro-Pac PPT16ALX – Single Phase, Heat Pump Model Pro-Pac PPT16ALXS c/w Soft Start – Single Phase, Heat Pump Model Pro-Pac PPT22ALX – Single Phase, Heat Pump Model Pro-Pac PPT22ALXS c/w Soft Start – Single Phase, Heat Pump Model Pro-Pac PPT12BLX – Three Phase, Heat Pump Model Pro-Pac PPT16BLX – Three Phase, Heat Pump Model Pro-Pac PPT22BLX – Three Phase, Heat Pump Model Pro-Pac PPT22BLXS c/w Soft Start – Three Phase

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Returns Policy

Your rights to return goods are protected under the EU Distance Selling Directive.

You are entitled to cancel your order and return the goods within 7 working days for a full refund not including the cost of delivery. Do this by contacting us by email or telephone and quoting the order number supplied to you. Your refund will be paid within 30 days. You are responsible for the cost and risk of loss or damage when returning the goods, so you should take out enough postal insurance to cover their value. This cancellation policy does not affect your rights when we are at fault - for example, if goods are faulty or incorrectly-described.

Exclusions: Bespoke items (made to measure items) are not included and cannot be returned. If a bespoke item is faulty then the product warranty /guarantee will take effect.

Any goods returned should be in saleable condition.

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