Harvey MiniMax M1 Twin-cylinder non-electric block salt water softener. Complete with a 2-year warranty and free shipping! The original MiniMax Water Softener, still available brand new.
These models are suitable for hardness areas between 50 and 500 PPM and will cater for 1-6 person households with ANY type of plumbing systems including 15mm or 22mm incoming mains.
Here is the full water softener specification:
• height: 490 mm
• depth: 460 mm
• width: 206 mm
• inlet: 3/4″ bsp male
• outlet: 3/4″ bsp male
• overflow: 1/2″ hose connector
• drain: 3/8″ outside diameter tubing
• maximum operating water pressure: 6 bar
• minimum operating water pressure: 1 bar (with water flowing)
• maximum operating water temperature: 20°C
• minimum operating water temperature: protect from freezing
• salt storage : 2 x 4 kg blocks
• maximum flow: 55 l/min
• minimum flow : < 3 l/hour