backflow preventer for 3/4"

Backflow protection DVGW BV cartridge front fitted in 3/4" thread.

At present none

Please note our general operating instructions:
rinse
pipe thoroughly before (re-)commissioning with approx. 3-4 litres of water to remove and remove dirt.
water pressure of 6 bar must not be exceeded.
- Completely empty water-carrying elements in the outdoor area before the first frost (blow out with compressed air if necessary) and, if possible, dismantle them.
- rooster not too tightly to turn, but only until it closes completely.
stainless steel fittings regularly (with our cleaning and care product Art.-No. 45.083).
- Do not use sharp cleaning agents in paint surfaces, instead we recommend our cleaning agent (Art. No. 45.083) to avoid possible damage to the fittings.