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.

Unvented twin coil solar cylinder Tank material: Duplex Stainless steel
Coil in coil heat exchangers giving high recovery rate
Min working pressure: 1 bar
Max working pressure: 15 bar
Min 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.22mm connections
2 year guarantee, 25 year vessel guarantee

Capacity
(litres)
Dimensions
(Diameter x Height)
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

 

To order one visit the ordering page.