Burner device with regulation of the air/fuel ratio, and method for regulating the air/fuel ratio
NL9002180A
Fixing clamp for a burner radiant bar.
NL8901707A
Central heating unit heat exchanger - has inner and outer tubes passing through lamella blocks
NL8602966A
Boiler with dhw supply and a heat exchanger for such a boiler.
NL8600108A
Direct fired water heater - has heat exchanger with water tubes connected externally to unit
NL8401075A
Central heating boiler with two series-connected heat exchangers - has cylindrical drum with gas inlet to annular chamber contg. tube coil around coaxial tube
NL8202860A
Cross-flow type heat exchanger - has finned profiled baffle type tubes for distribution in hot air supply system
FR2270528A1
Combined space heating and hot water system - has load by-pass from radiators to reservoir with time switch and thermostatic controls
NL7504679A
HEAT EXCHANGER FOR HEATING A LIQUID, SUCH AS WATER, BY means of a hot gas.
NL7407864A
Heat exchanger assembly for boiler - has intermediate sections connected to end ones in several parallel sets
