6.HOT WATER CYLINDER
Engineering Data book
60
6
Typical discharge pipe arrangement
(extract from Building Regulation G3 Guidance section 3.9)
Safety device
(e.g. Temperaturerelief valve)
Metal discharge pipe (D1) from
Temperature relief valve to tundish
Tundish
500 mm maximum
300 mm
minimum
Discharge below
fixed grating
(Building Regulation
G3 section 3.9d
givesalternative points
of discharge)
Fixed grating
Trapped gully
Discharge pipe (D2) from tundish,
with continuous fall. See Building
Regulation G3 section 3.9d i-iv,
Table 4 and worked example
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