GB8618817D0
(en )
1986-09-10
Hot water heating system
EP0279767A3
(en )
1990-01-31
Integral liquid-backed gas-fired space heating and hot water system
GB2174799B
(en )
1990-02-14
Domestic heating systems
GB2156963B
(en )
1988-07-06
Improvements in or relating to combined central heating/hot water supply systems
IE840658L
(en )
1985-09-16
Interconnection of two boilers in a domestic hot water¹central heating system
GB2198506B
(en )
1990-05-23
Heating boiler with improved heat transfer
KR870001872Y1
(en )
1987-05-21
Hot water boiler
HUT46131A
(en )
1988-09-28
Connection arrangement for producing heating and domestic hot water
GB2194332B
(en )
1990-11-14
Gas-fired water heating system
YU189085A
(en )
1990-04-30
Hot water heater for boilers and other purposes
GB8506901D0
(en )
1985-04-17
Gas-fired cooking & heating system
SU1179040A2
(en )
1985-09-15
Hot-water heating boiler
KR870002351Y1
(en )
1987-07-08
Hot water boiler
GB8624482D0
(en )
1986-11-19
Domestic hot water systems
CS331687A1
(en )
1988-09-16
Central heating hot water boiler
HUT48969A
(en )
1989-07-28
System supplying domestic hot water
GB2227300B
(en )
1993-08-11
Apparatus for connecting together two boilers in a domestic heating and hot water system
GB8708768D0
(en )
1987-05-20
Domestic water heating boilers
PL253078A1
(en )
1986-11-04
Water central heating boiler
KR860003076Y1
(en )
1986-11-06
Hot water boiler
GB8525216D0
(en )
1985-11-13
Domestic hot water systems
GB8516777D0
(en )
1985-08-07
Hot water heater
KR890006904Y1
(en )
1989-10-12
Hot water boiler
KR880003843Y1
(en )
1988-10-22
Hot water boiler
IL85474A0
(en )
1988-07-31
Heat indicator for domestic boilers and solar heaters