Buy the full range of RM Cylinders & Hot Water Storage Solutions

RM Cylinders are the top independent manufacturer of high-quality hot water cylinders.
The RM brand is highly regarded by professionals and widely used for domestic and light commercial installations due to the incredible flexibility and variety of hot water cylinders.
Select your RM Cylinder today and purchase with confidence for a fast delivery time.

-
RM Stelflow Unvented Direct Cylinder
From £672.85From £453.17 Select options -
RM Stelflow Unvented Direct Slimline Cylinder
From £837.85From £565.11 Select options -
RM Stelflow Unvented Direct Solar Cylinder
From £921.42From £621.81 Select options -
RM Stelflow Unvented Direct Slimline Solar Cylinder
From £1,373.56From £928.54 Select options -
RM Stelflow Unvented Indirect Cylinder
From £807.85From £544.76 Select options -
RM Stelflow Unvented Indirect Slimline Cylinder
From £921.42From £621.81 Select options -
RM Stelflow Unvented Indirect Horizontal Cylinder
From £1,079.99From £729.38 Select options -
RM Stelflow Unvented Indirect Twin Coil Cylinder
From £1,017.85From £687.22 Select options -
RM Stelflow Unvented Indirect Slimline Twin Coil Cylinder
From £1,519.28From £1,027.39 Select options -
RM Stelflow Unvented Indirect Twin Coil Horizontal Cylinder
From £1,705.70From £1,153.87 Select options -
RM Intercyl Unvented Direct Cylinder
From £934.74From £630.84 Select options -
RM Intercyl Unvented Indirect Cylinder
From £1,020.33From £688.91 Select options -
RM Intercyl Unvented Twin Coil Cylinder
From £1,410.92From £953.88 Select options -
RM Intercyl Unvented Direct Slimline Cylinder
From £963.28From £650.20 Select options -
RM Intercyl Unvented Indirect Slimline Cylinder
From £1,048.80From £708.22 Select options -
RM Optimum Unvented Direct Cylinder
From £611.74From £409.38 Select options -
RM Optimum Unvented Indirect Cylinder
From £707.80From £476.89 Select options -
RM Optimum Unvented Twin Coil Cylinder
From £993.33From £670.59 Select options -
RM Aquastel 500 Vented Indirect Duplex Stainless Steel Cylinder
From £590.07From £398.50 Select options -
RM Aquastel 450 Vented Indirect Duplex Stainless Steel Cylinder
From £269.48From £181.01 Select options -
RM Aquastel 400 Vented Indirect Duplex Stainless Steel Cylinder
From £273.57From £183.79 Select options -
RM Aquastel 375 Vented Indirect Duplex Stainless Steel Cylinder
From £264.92From £177.92 Select options -
RM Aquastel 500 Vented Direct Duplex Stainless Steel Cylinder
From £562.30From £379.66 Select options -
RM Aquastel 450 Vented Direct Duplex Stainless Steel Cylinder
From £263.56From £177.00 Select options -
RM Aquastel 375 Vented Direct Duplex Stainless Steel Cylinder
From £240.92From £161.63 Select options -
RM Aquastel 400 Vented Direct Duplex Stainless Steel Cylinder
From £267.76From £179.85 Select options