RM Stelflow 180L Indirect Slimline Unvented Cylinder is a space saving gas boiler heated hot water storage. It measures only 475mm in diameter, additionally it is a competent and reliable companion for any standard boiler. The high efficiency, quick recovery coils make this cylinder perfect for even the busiest homes, it ensures long lasting hot water. It comes with a 25 Year guarantee on the vessel and 2 Years on the cylinder components for total piece of mind..

Key Features

22mm compression fittings throughout

1mm superior duplex stainless steel

Clearly labelled unit connections

3kW incoloy immersion as standard

High efficiency heat exchanger

Butt welding for long life

50mm insulation

Integral stainless steel stat pockets

New flat bases for stability

Includes

Cold water inlet set

Tundish

T&P Relief valve

Expansion vessel

2 Port Zone Valve

Dual Thermostat

Energy Cut Out Stat

3kW Immersion heating

Technical Specification

Capacity: 180 Litre
Height: 1710mm
Diameter: 475mm
Weight(Empty): 50kg
Weight(Full): 230kg
Indirect reheat time: 22 mins
Immersion reheat time: 137 mins
Heat exchanger: 18.4 kW
Standing loss: 1.90 kWh/day