Our new exciting range of condensing gas boilers with a unique heat exchanger at it's heart and at a price that will make you smile. The Inter boiler was originally designed for the social housing market in The Netherlands. With over 500,000 units produced over the last 12 years, the Inter boiler has proved itself as a robust, high reliability, low maintenance, and long lasting boiler.
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Features
Boiler:
High efficiency condensing gas boiler.
Robust cast aluminium heat exchanger.
10 year heat exhanger warranty.
Burner modulates from 30% to 100% to match the heat demand, resulting in maximum efficiency and safety.
Quiet operation due to soft start burner programme.
Suitable for Natural gas or LPG (propane).
Flue lengths up to 60m (equivalent) for ease of siting.
Air-Flue pipe available in; 80 mm twin pipe, 60/100 mm and 80/125 mm concentric. All either horizontal or vertical.
Control System:
Electronic controller with adjustable settings.
24v or 240v room thermostat connection.
Opentherm control option.
Fault diagnostics for easy maintenance.
Computer point for operating history downloading.
Maximum heat output can be set from 30% to 100%.
Weather compensation by ading an outside sensor.
Central heating flow temperature can be set from 350C up, ideal for underfloor heating systems.
Frost protection built in.
Pump runs briefly every 24 hours to prevent sticking.
The range
InterCombi HE32
Combination boiler for sealed systems.
Central heating output up to 26.8 KW (91,500 Btu/hr).
Can be used for hot water only even when central heating is not connected.
Keep hot facility to provide instantaneous hot water supply.
Eco self learning mode to keep hot only during normal hours of use.
Solar compatible - can be linked to a solar hot water system.
No diverter valve needed due to design of heat exchanger.
High efficiency condensing operation in hot water mode
InterSystem HE26
Sealed system boiler for central heating and/or hot water via an indirect hot water tank.
Heating output up to 26 KW (90,000 Btu/hr).
Built in expansion vessel.
Built in circulation pump
InterOpen HE22
Open Vent systems with a header tank.
Heating output up to 22 KW (75,000 Btu/hr).
Ideal replacement wall hung boiler.
Top connections for flow and return.
Suitable for connection to Y plan systems with seperate indirect hot water tank, utilising existing pump and controls (no pump in boiler).
240 volt thermostat connection for direct replacement.
24 volt thermostat option.
"We expect these to last 20 years" - Chairman, Dawn Housing Association - Amsterdam, The Netherlands
"We have fitted 22,000 of these boilers in the last 10 years, and we have not had a single heat exchanger failure" - Bonarius (installation company, Amsterdam)