Manufactured to the highest quality in the UK by the best manufacturing specialists. Supplied with a manufacturer�s backed 25 year cylinder warranty and 2 years parts warranty. Diameter is 545mm from capacities 90L to 300L. Manufactured from high-grade Duplex Stainless Steel. Lightweight construction with high quality and 100% recyclable silver casing 22mm compression connections complete with nuts and olives Long-life 3kW Incoloy immersion heater supplied as standard. Manufacturer Stock Code:ESHPS3120 Sub-Category:Indirect Brand:UK Cylinders Capacity:120 L Range:Elite Category:Cylinders NCB:Yes Type:ASHP