the stainless steel indirect unvented hot water cylinder
the stainless steel indirect unvented hot water cylinder


add this page to your favourites add to favourites

technical data

(No1)
22mm
return flow
to boiler

(No2)
22mm
cold mains supply

(No3)
22mm
flow from boiler

(No4)
22mm
hot water
draw off

(No5)
pressure & temperature
relief valve

(No6)
integrated expansion vessel
(tornado models only)

(No7)
cylinder thermostat

(No8)
2.7kW
immersion heater


LIFETIME GUARANTEE
on the
stainless steel vessel!

remember

the building regulations now apply every time you change a boiler or hot water vessel!

We recommend that you check all your heating controls to maximise the overall efficiency of your complete system.

Effective control does bring further savings.

Our heating controls section is here.

Thermsaver accept all major credit/debit cards.

NO SURCHARGE
on credit card purchases!

This diagram of the Tornado Stainless indirect unvented cylinder is for illustration purposes only. Thermsaver make every effort to ensure that the information given on this page is accurate, however this information may change as a result of continuing product research and development.

The Tornado Stainless has an integrated expansion vessel.

The Tempest Stainless has a separate expansion vessel to reduce the height of the unit.

If you place your mouse over the selector number on the unvented cylinder diagram the relevant description will appear to the left, under the "TECHNICAL DATA" heading.


Indirect unvented cylinder diagram
22mm return flow to boiler 22mm cold feed 22mm flow from boiler 22mm hot water draw off Pressure & Temperature relief valve Integrated expansion vessel (Tornado Stainless only) Cylinder thermostat 2.7kW immersion heater

supplied components

Inlet Control Group:
   pressure reducing valve set
   single check valve
   filter
   expansion valve

Cylinder Thermostat
Energy Cutout Valve
Tundish

integrated into tornado stainless
site fitting with tempest stainless
Expansion Vessel
   8 litres on 90 litre models
   12 litres on 125 litre & 150 litre models
   18 litres on 170 litre and 200 litre models
   24 litres on 250 litre and 300 litre models

The pressure reducing valve, which reduces the pressure to 3.0 bar, is factory set, as is the expansion valve which is pre-set to 5.0 bar.


Model Heat Up Time
Cold - 65°C
mins		 Re-Heat Time
after 70% Draw Off
mins
125 36 25
150 37 26
170 36 25
200 33 24
250 35 25
300 40 29
Assumes a cold water temperature of 15°C

Please use our Enquiry Form if you have any unanswered questions or for any further information you may require.

Thermsaver offer free delivery anywhere in mainland UKDelivery anywhere on the UK mainland.

thermsaver - the company to rely on with the products you simply fit and forget