» » Unvented Twin Coil Solar Cylinder

Unvented Twin Coil Solar Cylinder

From £860

These cylinders are used for systems where the back-up to the solar heating is via a gas or oil fired conventional boiler or solid fuel boiler such as an Aga, wood-burning stove, Rayburn etc.

If you wish to purchase these two related products:

  • 30 tube solar thermal panel
  • Solar Station

order from our Kits ordering page to take advantage of our discounted prices.

Unvented Cylinder (NOT part of a kit) *

Product Description

Tank material: Duplex Stainless steel

Coil in coil heat exchangers giving high recovery rate

Minimum working pressure: 1 bar Max working pressure: 15 bar

Minimum water supply at 1.5 bar, 20 litres per minute

Insulation thickness: 60 mm

Control settings:

1. Pressure reducing valve 3 bar

2. Expansion relief valve 6 bar

3. Temperature and pressure relief valve 7 bar and 90°C

4. High limit stat 85°C.

22 mm connections

2 year guarantee

25 year vessel guarantee

Capacity (litres)   Dimensions   (D x Ht mm) Empty weight (kg)
150 545 x 1102 40
180 545 x 1290 45
210 545 x 1478 48
250 545 x 1728 53
300 545 x 2041 63