For mains water top-up, tops up the rainwater storage tank with mains water as required during prolonged dry spells (daily requirement for single-family home). Complies with DIN EN 1717.
Top-up set comprising:
- Open mains water outlet ½“ (Item No. TW 9901)
- Adapter plug (Item No. SS 0149)
- Float switch for top-up, with retaining clamp, 3 m, 10 m or 20 m (9 ft., 32 ft. or 65 ft.) connecting cable (see item numbers SS 1001, SS 1002 or SS 1003)