Glow-worm Compact 28c-AS/1 - Page 22

22 Installation and maintenance instructions Compact 0020313973_01
7.5.2 Direct connection to external soil and vent
stack
Ø22mm
Ø 32mm
≤ 3 m
7.5.3 External termination to gulley or hopper
Ø22mm
Ø 32mm
≤ 3 m
Best practice
7.5.4 Internal termination into combined sink
waste
Ø32mm
Ø22mm
≥ 3 m
100mm
Preferred option for external termination
7.5.5 External termination into soakaway
< 500 mm
100 mm
< 300 mm
50 25 25
< 25
25
Ø12
Ø32mm
≤ 3 m
1
2
3
4
5
6
1 Ground (either/or)
2 Seal
3 Plastic tube,
100 mm diameter
4 Bottom of sealed tube
5 Limestone chippings
6 Hole depth 400 mm
minimum
Least preferred option, must not terminate in rain water drain
7.5.6 Internal termination downstream of sink
waste
100mm
Ø32mm
Ø22mm
≤ 3 m
Open end of pipe direct into gulley below ground level but
above water level
Susceptible to siphonage, must terminate in a gulley