Method for manufacturing a control unit for a heater with a burner, and a control unit for such a device.
NL8901559A
Heating device.
NL8801383A
Metal burner deck (plate) - has slotted pattern to compensate for expansion, and is used where primary air level is e.g. 70 per cent
NL8702649A
Heating device with a hot water supply.
NL8603021A
Water deaerator in central heating line - has housing contg. tangential inlet to vortex chamber with outlet and connecting, via. partition to upper chamber contg. float
NL8503345A
Device for controlling a hot water supply.
NL8503058A
Method for igniting a burner and a burner for carrying out this method
NL8502704A
Burner for a gas boiler or the like.
NL8502682A
Gas-fired boiler with atmospheric burner - has burner tube fixed between combustion chamber walls
NL8403825A
Ball valve completely manufactured from plastic.
NL8402335A
Stop valve with rotary plug - has flexible sealing ring with protruding edge fitting in recess in plug
NL8302010A
Air supply control system for gas burner - detects proportion of carbon di:oxide in flame
NL8300123A
Fitting plastic tube length in internally grooved metal socket - by expanding metal sleeve until socket reaches given deformation
NL8201504A
Heating boiler gas burner - has additional resistance to gas or air flow upstream of burner plate
NL8105474A
Shut=down circuit for computer-operated process - compares generated pulse with that processed by computer to ensure correct operation
NL8005717A
Heating boiler and a process for controlling combustion in such a boiler.
