Twister II
Twister II is a fully room-sealed stainless steel condensing high-efficiency water heater (93% gross). Plug-and-Play technology; connect air inlet, exhaust outlet, water, electricity, and gas, set the temperature and the system functions properly.
Condensing Water Heater Design: Features & Key Technologies
- Efficiencies up to 93% gross
- Stainless steel tank
- Premix Low-NOx burner
- Whisper-quiet blower and burner
- Easy-to-use graphic LCD touchscreen display
- Suitable for high DHW demand systems in soft water areas
Options
- Flexible anode for installation in confined areas
- T&P valve with stainless-steel spring set to 95°C and a maximum water pressure of 7 bar
- Analogue temperature gauge (0-120°C)
- Power anodes
- Single and three phase electric elements
Options across the range include a flexible anode for installation in confined areas, a temperature and pressure valve with a stainless steel spring set to 95°C and a maximum water pressure of 7 bar, an analogue temperature gauge (0-120°C), power anodes, and single or three phase electric elements, giving specifiers flexibility on maintenance approach and installation constraints.
What is a room-sealed water heater?
A room-sealed water heater draws combustion air from outside and expels flue gases outside via a sealed duct, rather than using room air for combustion. This makes installation more flexible, since the unit doesn’t need a ventilated plant room, and improves safety by keeping combustion gases fully separated from the occupied space. Twister II’s plug-and-play design pairs this with a straightforward installation process across water, gas, electrical and flue connections.
The problem Twister II solves
Soft water areas are hard on standard water heater tanks, corrosion sets in faster and shortens working life. Twister II’s stainless steel tank construction is specifically suited to this water condition, giving a genuinely durable option for high DHW demand systems in exactly the areas where a lesser tank would fail early.
Technical Specifications & Downloads
Literature
Specifications
Ecodesign Specifications
| Twister II | Load profile | Energy efficiency class | Energy efficiency |
| 35-200 | XXL | A | 93% |
| 45-200 | XXL | A | 91% |
Contact Us
Frequently Asked Questions
Why Choose Adveco
50 Years
Adveco Ltd. is the independent hot water specialist for the commercial built environment and has historically traded as A.O. Smith Water Heaters in the UK.
Highest quality products and services
We prioritise our clients’ needs to deliver bespoke, practical systems.
Full aftersales support
Maintenance and service packages, commissioning, spares, warranty and technical support for your application.