HOPSON 120L UNVENTED INDIRECT CYLINDER WHO120I
The Hopson WHO120I comes backed by an unbeatable 25-year manufacturer warranty on the Duplex stainless steel inner cylinder, alongside a 1-year warranty covering all electronic and mechanical system components.
Internal Expansion Engineering: No external expansion vessel required. The built-in internal expansion system saves critical footprint area and reduces physical pipework clutter.
Rapid Heat Recovery: Optimized as an Indirect Cylinder, it connects directly to your central heating gas boiler. It utilizes a high-efficiency internal heat exchanger coil to reheat your full tank in minutes.
Premium Duplex Stainless Steel: Fabricated entirely from high-grade Duplex stainless steel alloys.
Sleek Brushed Metallic Aesthetic: Enclosed within an eye-catching, robust brushed metallic-effect outer casing. It provides maximum impact protection alongside a modern look.
Product Information
The Hopson Cylinder is a high-performance hot water storage solution designed for reliability, efficiency, and long-lasting durability. Manufactured in the UK using premium-quality materials, it delivers excellent heat retention and a consistent hot water supply for both domestic and light commercial applications.
Finished in a stylish brushed metallic effect casing, the Hopson Cylinder combines modern aesthetics with durable construction for a premium look and feel. Its corrosion-resistant design ensures dependable long-term performance, while compatibility with a wide range of heating systems makes installation simple and versatile.
Backed by a 25-year warranty on the cylinder and a 1-year warranty on all components (manufacturer t&c's apply), the Hopson Cylinder provides complete peace of mind for installers, contractors, and homeowners alike. Engineered to meet modern heating demands, it offers outstanding energy efficiency, reliability, and performance you can trust.
Product Dimensions
All external expansion cylinders are pressure tested to 8 bar to ensure their suitability for a lifetime of hard work as part of a hot water system.
All cylinders are tested and manufactured to BS EN 12897:2016.
Fully WRAS approved in compliance to UK Water & Building Regulations.
All cylinders are manufactured from duplex stainless steel and come supplied with standard unvented safety components.
WHO90I
WHO125I
WHO150I
WHO170I
WHO200I
WHO250I
WHO300I
Capacity (L)
90
120
150
170
200
250
300
Diameter
545
545
545
545
545
545
545
Height
757
945
1130
1314
1444
1752
1995
Cold Inlet
174
174
174
174
174
174
174
Heating Flow
214
214
294
294
294
334
334
Return
174
174
174
174
174
174
174
Control Stat
284
284
364
364
364
404
404
Immersion
264
264
364
344
364
384
384
T&P Valve
494
682
869
997
1183
1478
1718
Sec. Return
-
-
-
-
1021
1365
1605
