Control system measures difference between outside air temperature and temperature of water in pipe and applies sufficient heat to prevent exposed solar heating plumbing from freezing
NL1010300C2
A method of manufacturing a heat exchanger, and a heat exchanger obtained by using said method.
NL1009669C2
Device for heating sanitary water.
NL1006399C2
Heat-absorption system forming part of heat pump
NL1005800A1
Porous body for gas-burner - has open space at igniter between successive zones
NL1005647C2
Electric cable, and use of such a cable.
NL1005649C2
Heat exchanger, and tube for the manufacture of such a heat exchanger.
NL1005623C2
Siphon, and cap intended for such a siphon.
NL1005494C2
Gas burner.
NL1004647C2
Burner for gas and air mixture
NL1004639C2
Cylindrical heating device with helical heat transfer member.
NL1002867C2
Connection of a gas-fired heating device to a flue gas discharge / air supply channel.
NL1002237C2
DHW heating device, and method for controlling it.
NL1002187C2
Wall mounting device for installation of gas-fired water heating apparatus, e.g. boilers
NL1001244C2
Water hammer damper, and pump provided with such a damper.
NL9500191A
Element for coupling a combustion device to an air supply duct and a flue-gas discharge duct, and combustion device provided with a coupling element of this nature
NL9500116A
Sound-damped combustion system, and silencer intended for use in such a system.
