GB247823A
(enrdf_load_stackoverflow )
US1991863A
(en )
1935-02-19
Thermostatically operated emergency gas shut-off valve for hot water heaters
US1794531A
(en )
1931-03-03
Valve structure
US9618205B2
(en )
2017-04-11
Gas flow controller for use in gas fired apparatus
US2478496A
(en )
1949-08-09
Thermostatic safety burner control
US2064909A
(en )
1936-12-22
Thermostatic fuel control
US2148386A
(en )
1939-02-21
Gas burner ignition device
US2040229A
(en )
1936-05-12
Pilot controlled valve
US1842331A
(en )
1932-01-19
Gaseous fuel control system
US2274786A
(en )
1942-03-03
Thermostatic pilot valve mechanism
US2215520A
(en )
1940-09-24
Water heater and control
US1842126A
(en )
1932-01-19
Fluid fuel control system
SU1000690A1
(ru )
1983-02-28
Устройство дл регулировани газового водонагревател
GB1201482A
(en )
1970-08-05
Control for gas burners
GB534413A
(enrdf_load_stackoverflow )
GB586963A
(enrdf_load_stackoverflow )
US1842329A
(en )
1932-01-19
Thermostatic valve for water heaters
US1999731A
(en )
1935-04-30
Thermostat control device
US1856641A
(en )
1932-05-03
Safety valve for gas burners
US2028372A
(en )
1936-01-21
Vapor stove construction
RU23661U1
(ru )
2002-06-27
Горелка газовая бытовая для водогрейных котлов с системой автоматики
US1564135A
(en )
1925-12-01
Automatic gas cut-off for gas water heaters
US1943490A
(en )
1934-01-16
Safety gas burner control
US1846814A
(en )
1932-02-23
Valve
GB449114A
(enrdf_load_stackoverflow )