Vendeur: pw928gts (49.026) 99.9%, Lieu où se trouve: Bury St. Edmunds, Lieu de livraison: Worldwide, Numéro de l'objet: 120937249702 Brand: pw, MPN: Does Not Apply, Les Détails: This alarm will not work if you are using very pure water, deionised or distilled for example. This alarm is ideal for warning that water level has dropped below the units sensor wires.It is very loud 100dB at 1 Metre and can be heard throughout a house, there are also flashing LED's so there is also a visual indication. A 10 - 16 Volt DC 100mA or more power supply is needed (not supplied).Or a battery can be used if the low water level could be caused by a power failure.The size is:- L: 122mm W: 73mm D: 45mm (max)It is designed to be wall mounted with screws supplied. The unit has 1 Metre long sensor wire fitted as standard. Longer sensor wires can be added with the connector block supplied. Almost any type of wire can be used and a length of 100 Metres has been used in testing. We can supply a unit with the exact length you need at a small extra cost. The unit is has red and black power wires 350mm long. White sensor wires 1 Metre long. 4 way connector block for power connection and/or sensor wire extension.Screws for wall mounting and screw cover plugs. --> Sales@PW-Electronics.co.uk Pay instantly with your debit or credit card through PayPal.