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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UK Shipping Charges

Standard Delivery (3-5 working days)* - Free

Next Working Day Delivery (on orders placed before 2pm)* - £12.50

Next Day Working Delivery before 10.30 am (on orders placed before 2pm)* -  £30.00

Saturday AM Delivery before 12.00pm**- £35.00 

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

* Next Day Delivery for orders placed before 2pm on the previous working day, i.e. Thursday order before 2pm for Friday delivery.  For orders placed after 2pm, despatch will be on the following day for delivery on the next available working day, i.e. Thursday order after 2pm, despatch Friday for Monday delivery (Next Day Delivery excludes Weekends and Bank Holidays).

*Working Days are classed as Monday-Friday

**Saturday AM delivery and Sunday delivery required orders to be placed before the previous Friday by 2.00pm (excluding Bank Holidays). Order placed after this time, will be delivered the following week.

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