Venturi VZ Horizontal Twin Coil Cylinder
| 150L | A =1085 | B =543 | C =363 | D =293 | 0.75m² Solar Coil | 0.54m² Aux Coil |
| 175L | A =1242 | B =621 | C =371 | D =301 | 1.1m² Solar Coil | 0.75m² Aux Coil |
| 215L | A = 1484 | B =742 | C =492 | D =422 | 1.1m² Solar Coil | 0.75m² Aux Coil |
| 255L | A =1752 | B =876 | C =626 | D =556 | 1.1m² Solar Coil | 0.75m² Aux Coil |
| 305L | A =2028 | B =1014 | C =769 | D =594 | 1.1m² Solar Coil | 0.75m² Aux Coil |
Features of a Venturi VZ Horizontal Twin Coil Cylinder
- 25-Year cylinder and 3-Year parts warranty
- Sizes 130L to 305L capacity
- Cylinder manufactured from high grade Duplex stainless steel
- 60mm fire retardant insulation minimising heat loss
- 100% CFC/HCFC free
- Long life with no internal moving parts
- 3 Bar pressure at outlets
- All sizes WRAS approved
- Designed & manufactured in the UK
Venturi VZ Horizontal Twin Coil Cylinder Product Construction – Typical
Immersion heater ☞ 3kw, 240V, 1ph, Incoloy 825, with thermostat incl. cut-out
Thermal insulation ☞ CFC/HCFC free, (ODP=0, GWP=1), 60mm fire retardant insulation*
Outer casing ☞ P200 Plastisol
Inner cylinder ☞ Duplex stainless steel
Heating coil ☞ High performance, finned
Indirect thermostat ☞ Twin thermostat with independent reset, 30-70ºC
Safety device ☞ Factory fitted with 7bar/90ºC pressure & temperature relief valve
Connections ☞ Secondary return on 175L & above
*50mm on 400L and 500L vessels
Venturi VZ Horizontal Twin Coil Cylinder Product Specification
Inlet diffuser ☞ For optimal blending of cold & hot water, see fig. 1
Expansion Technology☞ 3 bar external expansion
Pressure test☞ Tested to 10 bar
Secondary return☞ Standard fit on models 175L & above
Approvals☞ BBA, CE, WRAS, KIWA, ISO, WRC
Guarantee☞ Internal cylinder 25 years* Ancillary components 1 year
Direct thermostat☞ Element thermostat, nominal setting 60ºC
Indirect model ☞ 22mm diameter stainless steel high performance coil & outlet with 1 immersion heater
Direct model ☞ 80L fitted with 1 immersion heater; 130 – 500L fitted with 2 immersion heaters
Manufacturing ☞ All UK using state-of-the-art robot technology
Horizontal & Slimline ☞ Suitable for roof voids & 450mmØ specification
Renewables range ☞ Solar, heat pump and buffer vessels
*Commercial cylinders carry 5 years guarantee
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