Pipe size: 28mm
Connection: 28mm copper compression
Design flow: 0-64l/min (3.84m³/hr) requiring ∆p=0.13bar
∆p=1/2 bar flow: 128l/min (7.68m³/hr)
Length: 384mm
Width & depth: 115mm x 85mm
Weight: 4.5kg
Voltage: 220v 50Hz
Product code: CRACKER28
Test regulations: (UK) WRAS Certification 0107038 | (Germany) RWTuV Prufprogramm M30/94 Certificate Nr. 2684/95
Materials used: Mild steel box with electronic circuit board to IP20. Anode case body: copper BS2871 Pt. 1 Table X. Anode support: grilamid L20G natural. Anode material: pure zinc & magnesium BS6561
Construction: The anode assembly is pressed into the copper body and locked into position. The copper anode casing diameter is reduced at the ends and brazed to the end connectors. The unit cannot be opened. The electronics are housed in a boz which surrounds the anode assembly section, is compliant with EU Directive 89/336/EEC (EMC). The unit is powered by 22v 50Hz 500mA power-pack.

The Cracker (tested to 35 bar) is designed to work to a maximum system pressure of 20 bar treating a mains water supply at between 2-40°C, with a maximum system flow rate of 2m/sec (for silent operation) in the nominal pipe size for the product. The water should have a pH range of 5.0-8.5.