Venturi Slimline Indirect

Unvented cylinders manufactured for restricted spaces solar coil options also available

The Venturi VT Slimline Indirect cylinder is available in 500mm diameter and also a super slimline range which is further reduced to 450mm diameter.

Slimline cylinders are manufactured to enable installations in smaller properties or homes where there are space restrictions.

The Venturi VT Slimline Indirect cylinder are available in sizes from 130 litres to 244 litres in the 500 diameter models, and 130 litres to 175 litres in 450mm diameter models.

Super-Slimline vessels are also available with Coil/s in RENEWABLES configuration.

Properties that previously couldn’t enjoy mains pressure hot water can benefit from powerful, mains-pressure performance, incorporating high flow rate controls, ideal for multi bathroom homes, where baths fill quickly.

All indirect slimline models come complete with a back-up electric immersion heater. An external expansion vessel will be required with all slimline cylinders.

Venturi Slimline Indirect ⌀ 500mm with external expansion

Venturi VT Slimline Indirect

Venturi Super Slimline Indirect ⌀ 450mm with external expansion

Super-Slimline vessels are also available with Coil/s in RENEWABLES configuration.

Features of a Venturi Slimline Indirect Unvented Cylinder

  • 25-Year cylinder and 3-Year parts warranty
  • Sizes 130L to 244L 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 Slimline Indirect Unvented 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 Slimline Indirect Unvented 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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