
Apricus Installation Manual
8
configuration and are specifically designed
to work in conjunction with the domestic
heating system.
Manufactured from Duplex Stainless Steel,
these cylinders provide fast reheat and
recovery and high value insulation. In
addition, for installers they are also light and
easy to handle
Standard Features:
Duplex Stainless Steel
25 Year Guarantee
Fast Reheat/Recovery
High Value Insulation
Nominal Diameter :
545 mm – Only Twin Coil Available
Nominal Heights :
1102 mm, 1290 mm, 1478 mm,
1782 mm, 2041 mm
Pressure & Temperature Relief
Valve (PTRV)
The storage tank must be fitted with a PTRV.
All tanks should be supplied as standard
with an approved valve.
Building Regulations
The installation of unvented hot water
cylinder for domestic applications is
regulated under Building Regulation G3 for
England and Wales, Technical Standard P3
for Scotland, Building Regulation P5 for
Northern Ireland and Technical Guidance
Document L for the Republic of Ireland. All
local, relevant and up-to-date regulations
must be adhered to by the installer. An
example schematic safety control layout for
a solar installation to comply with Building
Regulation G3 (England and Wales) is given
in the CIBSE Solar Heating Design and
Installation Guide.
Cool Tip
Rule of Thumb for sizing storage
cylinder in domestic installations:
100 litres per m
2
Aperture Area of Collector