‘Comet’ combination units consisting of a cased and insulated stainless steel unvented hot water storage cylinder. The cylinder primary circuit is fitted with an in-line electrical heater which supplies the heat source to the secondary water via a stainless-steel coil, and the heat source to the central heating circuit directly. The cylinder is factory fitted with a temperature and pressure relief valve, pre-set at 7.0 bar 90 degrees. The unit is supplied with an inlet control group containing a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2), pressure reducing valve set at 3.0 bar and an expansion relief set at 6.0 bar. An expansion vessel is factory fitted to both the secondary and primary circuits within and is positioned inside the casing. The primary circuit also incorporates a circulating pump and pressure relief valve which is set at 3.0 bar. Maximum secondary working pressure 5.5 Bar Maximum Primary working pressure 2.5 Bar Maximum operating temperature 65.0 °C

Section:

1890 Unvented Heating Apparatus

WRAS Approval Number:

2204061

Expiry date:

30/04/2027

Size:

22 mm Compression

Marking:

Electric Heating company, max pressure, max temperature, capacity and other technical information on adhesive label on front door of the unit

Installation Requirements:

R001 R140 R360

Model:

EHCCOMCOMBI 9KW – 140 litres EHCCOMCCOMBI 12KW – 140 litres EHCOMCOMBI 14.4KW – 140 litres

Factor:

The Electric Heating Company

Company Name

The Electric Heating Company

Address

Unit 40 Block 5 Third Road Blantyre Ind Est

Postcode

G72 0UP

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