want to install w/m in outhouse no drain only main drain with cast iron cover. how can i connect correctly for drainage of w/m 
w/m drainage
- Thread starter dadio34
- Start date
i always fit a gully trap.
thanx for your gully idea might have 8 inches to main drain would you break into wall of drain with the gully 
i use a core drill on the drain useally. but can be done with a angle grinder etc.
once again thnks nice to have good advice
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