All in One Buffer Tank and Indirect Water Heater - 500 L

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All in One Pressurised Buffer Tank and Indirect Water Heater - 500 L Capacity

Why Our Combined Buffer Tank and Indirect Water Heaters?

Our Combination of Buffer Tank and Indirect Water heater is a money saving investment for designers and installers looking to use various sources of energy. It's simply a Buffer Tank with two opposite Large Diameter (1 1/4") Inlet/outlets connections, Two Immersed Coils that can be combined in one (with the optional Coils Connection Piece). 

This gives our combined tank the flexibility to be used for various hydronic applications. They are a smart use when combing Air to Water Heat Pump, Thermal Solar Panels (such as Vacuum Tubes Solar Collectors) and conventional Make-up heat producing equipment (such as Boilers, Fire Places, etc...).  They save you the money for buying one individual Tank for each hydronic application.


Combination Buffer Tank

Inner Tank Materials Food Grade SUS 304-2B 2mm thickness
Outer Tank Cover Material White Color Galvanized Steel 0.55mm thickness
Heat Preservation Layer 60mm of High Pressure Automatic Polyurethane Foaming Layer, Density of 36 Kg/m³ (2.24 Lb/ft³)
In Tank Heat Exchanger (Coil) Specifications TU1 Copper (Red Copper), Thickness: 1mm (0.04")
Immersed Coil Outer Diameter / Thickness 16mm (⅝") / 0.9 mm
Coil Inlet/Outlet Connection 20mm (¾") Male NPT
Bottom Coil (Option) 0.8m²
Upper Coil (Option) 0.5m²
Water Purification Magnesium Rod Installed
Backup Heat Standard 1" port for electric backup with mechanical thermostat (electric resistance not included)
Drain Port ¾" Female NPT (Bottom of Tank)
Safety T/P Port (Exhaust Port) ¾" Female NPT (for T/P Safety Valve)
Tank Inlet/Outlet Connections 32mm (1¼") Female NPT
Accessories Tank Feet, Screws, Safety T/P Valve
HSE Limited Warranty  5 Years against manufacturing defects
Water Tank Size

Φ700 (B) x1980 (H) mm - A=580mm

Tank Shipping Size 2050x780x780mm
Storage Volume 500 L


Optional Lower & Upper Coils Connection Piece kit (10):

This Piece is used when Designer or Installer wishes to combine the upper (0.4m²) and lower (0.7m²) coil into a single Heat Exchange with Heat exchange are of 1.1m². This is usually the case when the primary heat source is Air to Water Heat Pump operating with Propylene Glycol as its heat transfer fluid and when the heat exchange area of a one coil alone isn't enough to dissipate Heat Pump's heat into the water contained in the tank. This Kit Includes the followings materials:

The required pipe tool to join the Flexible Stainless Steel Pipe and the 2 threaded Nuts is not included in this kit (it must be purchased separately). The procedure of Using the flexible pipe tool as well as connecting the Lower & Upper Coils Connection Piece to the two coils can be found in this blog.