Harmer Floor & Shower Drains Oct 14-file045956
Harmer Floor & Shower Drains Oct 14-file045956
Harmer Floor & Shower Drains Oct 14-file045956
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Backflow Valves - Application Details<br />
Single Flap Backflow Valve in concrete inspection chamber<br />
Inspection chamber cast iron access cover<br />
Push-fit socketed joint<br />
Concrete inspection chamber<br />
Single flap backflow valve<br />
Proprietary coupling<br />
110mm dia pipe<br />
Concrete chamber base<br />
For storm water systems<br />
Sitework<br />
6<br />
1. Ensure underground pipe entering inspection<br />
chamber is laid to fall.<br />
2. Centrally position backflow stop and push fit<br />
socketed end onto pipe.<br />
4<br />
5<br />
4<br />
3. Connect opposite side to adjoining pipe using<br />
proprietary coupling.<br />
1<br />
4<br />
4. All pipework fittings MUST be sealed at<br />
inspection chamber wall protrusions.<br />
5. Ensure top lever handle is in the “ON” position<br />
to allow waste water discharge.<br />
2 3<br />
6. Fit inspection chamber access cover.<br />
<strong>Harmer</strong> Technical Helpline +44 (0) 1744 648400<br />
121
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