Buderus developed a full three pass system which increases the efficiency of the boilers.
Buderus direct vent gas boiler.
With single pass boilers the flue products have only one chance to heat the water.
The g115ws has been redesigned and reengineered to extract and deliver more heat from fuel and now has higher outputs at less cost per btu.
I have a buderus gb162 direct vent wall hung boiler converted to lp gas this is a new 6500sf home which is still under construction.
Acknowledged as the leader in high efficiency low emission hydronic heating buderus offers innovative design and quality manufacturing.
The buderus g115 direct vent boiler system has been approved for use with two different intake exhaust options.
Ssb 512 floor mounted condensing boiler with modulating gas valve.
Separate air intake hood and aerocowl exhaust termination.
It is therefore compact and suitable for any room regardless of how small it is.
It only consumes as much energy as is required and fits existing connections.
The unique way heat flows through the g115 and g215 boilers allows the water to be heated three separate times.
It services 5 hydronic fan coils 1 indirect hot water heater and 4 zones of radiant heat it has been up and running for about 4 weeks now.
Buderus ssb512 495k btu 96 8 te light commercial hot water gas boiler direct vent model.
Buderus three pass boilers triple this opportunity.