Commercial gas boilers and instantaneous water heaters

Energy efficient heating and hot water systems for large domestic properties and commercial applications such as offices, schools, sports centres and hotels.

The GB162

The GB162 boiler is a versatile, compact, wall hung condensing boiler that can be installed on its own or as part of a multi-boiler ‘cascade’ system.

All GB162 boilers are registered on the Carbon Trust’s ECA scheme.Carbon Trust’s ECA scheme.

The Greenspring CWi47 instantaneous water heater

For use in domestic and commercial installations with a high demand for domestic hot water and can cascade up to 12 units.

The Greenstar HDU

Domestic hot water and space heating for properties serviced from district heating and centralised boiler plants.

Wall hung condensing boilers

Product	Features *
GB162 100kW	Net efficiency (NCV) 110%
GB162 80kW	Net efficiency (NCV) 110%
GB162 65kW	Net efficiency (NCV) 108%

*Efficiencies based on temperatures of 50/30°C.

Cascade condensing boilers

Product	Features
GB162 cascades	Outputs of up to 800kW

Instantaneous water heater

Product	Features
Greenspring CWi47 water heater	DHW flow rate at 35ºC∆T 20.6l/min

Cascade instantaneous water heater

Product	Features
Greenspring CWi47 Cascades	DHW flow rate at 35ºC∆T 247 litres per minute (12 units)

Heat distribution unit

Product	Features
Greenstar HDU	DHW flow rate (50°) at 81/22 14.5 litres/min