Dutypoint Systems Variable Speed Compact Booster Set fitted with 2 multistage vertical pumps (AISI 304 Stainless Steel casings) with motor-mounted variable speed drive, 4 isolation valves (EN12165 Cu Zn 40),2 single disc non-return valves (AISI 304/316) and 2 pressure vessels (certified to PED 97/23/C), all mounted on a powder coated mild steel base assembly with integral anti-vibration mounts. All fasteners are to BS EN3506 A2.70/BS3643. Maximum system pressure 10.0 Bar, maximum system temperature 40degC. As all intelligent control is within the inverters, the panel contains only a door-interlocked isolator, individual pump isolators, power on and fault lamps. A common fault volt-free contact and low water connection device contacts are included as standard.