Caravan Parks

Applications

Caravan Parks

Pitch supplies, wash blocks, site standpipes and seasonal water systems. Backflow from pitch hoses is the recurring failure.

Pitch and wash-block supplies

Standpipes, pitch hose unions and wash-block filling on a seasonal wholesome main.

Risk reference

Connection type	BS EN 1717 category	Protection method	Notes
Hose union tap	3–5	RPZ or air gap	Depends on downstream use
Filling loop	4	RPZ (BA)	Not a double check on non-house systems

Pitch supplies, wash blocks, site standpipes and seasonal water systems. Backflow from pitch hoses is the recurring failure.

Connection types, BS EN 1717 category and the minimum protection method.

Connection type	BS EN 1717 category	Protection method	Notes
Hose union tap	3–5	RPZ or air gap	Depends on downstream use
Filling loop	4	RPZ (BA)	Not a double check on non-house systems

Regulation guide

Tools & calculators

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Insight

Missing test cocks, inverted relief valves, and isolation that makes annual AIM testing impossible.

Insight

Closed heating and chilled circuits are Category 4. A double check on the filling point is not enough.

Insight

When a mechanical device cannot replace a Type A air gap — and how to dimension the weir.