Complete Pump Supplies | Supplier Domestic Water Pumps & Booster Pumps

Poly Red Primary Expansion Cistern

Poly Red Primary Expansion Cistern

Poly Red Primary Expansion Cistern

  • Poly Red Primary Expansion Cistern
  • Polytank Byelaw 30 Kit
Product code: RED4
£78.00 inc. VAT
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Poly Red Primary Expansion Cistern

The POLYRED expansion tank is unique and saves plumbers and installers valuable time. POLYRED comes to the plumber or installer complete and is the perfect product to work alongside a domestic boiler.
POLYRED is the only approved insulated fully assembled primary feed and expansion cistern on the market today.

This insulation is a high density specialist fibreglass. When tested in accordance with BS4213: 2004 gives improved figures of heat retention over all other methods of insulation.

The 18 ltr PolyRED primary expansion tank comes with a fitting kit, which includes:

  • POLYRED Byelaw 30 kit & fitting instructions
  • POLYRED lid
  • 22mm push fit connector
  • 15mm x ½” push fit service valve
  • POLYRED insulation
  • ½” BS1212 Part 2 Ball valve 4½” float


  • Capacity: 18 Litres / 4 Gallons (minimum to waterline)
  • Length: 540mm / 21" 
  • Width: 320mm / 13" 
  • Height: 350mm / 14"

No Measuring - No fitting of components - No Drilling - No Mess - Installed in No Time. 

See the Video below for further help.





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Delivery Information

Free delivery relates to MOST products on the Website over the value of £100.00 (excluding VAT). 

*Unless otherwise stated on individual items* 

Products purchased under £100.00 will incur a £6.95 delivery charge.

Standard Delivery Orders over £100.00 (3-5 working days)* - Free shipping for in stock items to mainland UK*. 

Next day shipping is only available for stock items which are ordered before 14:00 at a charge of £12.50*. Any orders that are placed after this time will be processed the following day.

Specified delivery times are based on orders placed before 2pm Monday to Friday (excludes Weekends and Bank Holidays)  - for more details please see "UK Shipping Charges" below.

Weekend or orders placed on a Bank holiday will be dispatched on the next working day.

*Excludes UK Islands, Republic of Ireland and Scottish Highlands.

During Christmas and New Year our warehouse will be closed. Orders over this period will be dispatched on the first working day after New Year.

Delivery times are subject to change if the item is out of stock with our supplier. There are products on our Website that are not stocked at our warehouse, nor with our manufacturer's UK warehouses, therefore lead times can vary. This is why we recommend you contact us prior to purchasing to check current stock levels and lead times.

If you are not available to take a delivery on the specified date, you must let us know immediately. If we attempt to deliver your order and no-one is in, a re-delivery charge may be incurred.  

As we use 3rd party delivery agents, Complete Pump Supplies are unable to guarantee that all deliveries will be the next working day. Complete Pump Supplies will not be liable for any loss of income, loss of profits, loss of markets, loss of reputation, loss of customers, loss of use, loss of an opportunity even if we had knowledge that such damages or loss might arise or for any indirect, incidental, special or consequential damages or loss howsoever arising.

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