Stainless Header Tank - Standard Specification (Insulated)
Copper Header Tank - Bespoke Rectangular Specification2
Stainless Header Tank - Large Specification (Insulated)
Copper Header Tank - Bespoke Rectangular Specification
Copper Header Tank - Standard Specification Drawing2
Header tanks, also called feed and expansion tanks, are used in all vented hot water and central heating systems, as a means of supplying a particular appliance or system with cold water, as well as taking up any expansion that comes as a result of the water being heated up.
A copper or stainless header tank has the same purpose as a plastic header tank, except that it provides extra protection where water can get exceptionally hot in solid fuel installations. Unlike many plastic header tanks, our copper header tanks come with all water connections pre-installed.
The main benefit of using a copper or stainless header tank to feed your hot water cylinder or heating system is that, unlike the more common plastic tanks, they will not be susceptible to melting or warping due to prolonged overheated water. This can be a particular problem on a system which incorporates a solid fuel boiler or uncontrolled heat source, as they are capable of heating the water to in excess of 100°C.
Our feed and expansion tanks have the following features as standard, which saves installation time and provides overheating protection all round.
•Manufactured in copper or stainless to prevent tank melting and deformation
•Pre-installed float valve with copper float
•Pre-installed cold feed connection in 22mm compression
•Pre-installed overflow connection in 22mm compression ready to add copper overflow pipe
•Insulation fitted to tank
•When used with a thermal store, float arm is pre-adjusted
We supply the header tanks pre-insulated with spray foam insulation on round units and insulation board on the rectangular units, both to a depth between 25mm and 30mm. This will help to contain any heat that is returned to the header tank by expansion, increasing efficiency, but also eliminating the risk of frost damage.
We are able to supply copper header tanks in completely bespoke sizes to suit the customer's requirements, where the height, width or depth are critical. All header tanks are supplied with a float valve and copper float which is necessary for correct operation (shown fitted in photos above). The tank fill connection and the overflow connection are both supplied as 22mm compression but are also available in other sizes on request. If an unusually large capacity header tank is required, it can in some cases be preferable to split this between multiple, smaller, header tanks (split tanks).
Our header tanks are designed for use in heating systems which use solid fuel, or other uncontrollable heat sources. The header tank would, in many cases, be attached directly to the gravity feed of the appliance. However our header tanks can also be used in conjunction with a Thermalstore cylinder. When the thermal store is heated directly by an appliance, the guidance table on the Size and Specification tab offers information as to the size of header tank required.
Header tanks to be used with Thermalstores will be delivered pre-configured according to storage capacity.
Copper Ball Valve & Float
Copper and Stainless Compression Fittings
The dimensions and literages of our round copper and stainless steel header tanks can be found below; if you require a rectangular header tank, please get in touch with one of our sales team for a quote.
Copper Header Tanks
HeightDiameterLiterageMax System Size
Stainless Header Tanks
HeightDiameterLiterageMax System Size
To assist with determining the correct size connection for replacement units or units to fit your current system, we have created a table of external and internal thread sizes.
Uninsulated Diameter Calculator
This calculator is designed to assist the specification of a cylinder by determining the amount of hot water available from a cylinder of a specific size; this can be particularly useful in situations where space for a cylinder is limited.
This calculator is designed to assist the specification of a cylinder by determining the size of the cylinder from it's circumference and insulation thickness; this can be particularly useful in situations where a replacement cylinder is required, but due to the insulation it is difficult to determine the size of cylinder required.
Please note - The final figures are approximate and should be rounded to the nearest standard diameter (375,400,450 etc.)
PRODUCT OPTIONS & UPGRADES
SIZE & SPECIFICATION
Northern Road Industrial Estate
Tel: 01636 678 437
Fax: 01636 678 964
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