Heater valves, hoses and controls
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LabelPart NamePart No.
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1Heater valve, angled body fits cylinder head, takes 1/2” hoseADU9102MS
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1Heater valve, straight body fits cylinder head, takes 1/2” hose13H5506
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2Heater valve, in line floating type takes 5/8” hoseJJB10011
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3Heater valve, fitted on side of heater inside carJJB100260
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4Hose 5/8” to use with 1/2” hose on item No. 1 - See notes belowGRH905
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4Silicon 1/2” bore hose 1.2 metre long, heater to bottom hose - BlueC-GRH1007
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4Silicon 1/2” bore hose 1.2 metre long, heater to bottom hose - BlackC-GRH1007BLACK
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4Silicon 1/2” bore hose 1.2 metre long, heater to bottom hose - RedC-GRH1007RED
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4Hose 1/2” bore 1985-1989, to item No1 valve-see notes belowGRH1006
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4Kevlar reinforced hose 1/2” bore - Alternative to aboveGRH1006KEVLAR
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5Hose 5/8” to use with 1/2” hose on item No. 1 - See notes belowGRH905
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5Silicon 1/2” hose 1 metre long, heater to [link]ADU9102MS[/link] valve - BlueC-GRH1006
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5Silicon 1/2” hose 1 metre long, heater to [link]ADU9102MS[/link] valve - BlackC-GRH1006BLACK
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5Silicon 1/2” hose 1 metre long, heater to [link]ADU9102MS[/link] valve - RedC-GRH1006RED
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5Hose 1/2”bore 1985-1989, to item No. 1 valve - See notes belowGRH1006
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5Kevlar reinforced hose 1/2” bore - Alternative to aboveGRH1006KEVLAR
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6Hose 5/8” bore, cylinder head outlet to valveGRH905
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7Hose 5/8” bore, heater to in line valve, 1989 onJHB10017
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8Hose 5/8” bore, heater to bottom hose, was GRH1219JHC10004
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9Clip for 5/8” hoseGHC608
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9Clip for 1/2” hoseGHC406
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12Connector 1/2” bottom hose to 1/2” heater hoseMOC211
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13Connector 1/2” bottom hose to 5/8” heater hoseMOC210
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13Connector 5/8” bottom hose to 5/8” heater hoseMOC212
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14Take off on cylinder head for 5/8” hose12G2534
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16Hose grommet when [link]ADU9102MS[/link] valve is fitted, for 1/2” hose34G3651
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16Hose grommet when in line filter is fitted for 5/8” hoseCLP6235
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17Hose, 5/8” shaped- heater to bottom hose 1991-1996JHC10017
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18Hose, 5/8” straight 18” (45mm) long-heater to valve 1991-96JHB10018
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22Heater cable, when heater valve on cylinder head, pre 1988CHM373
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22Heater cable, in line heater valve 1988 to 1992JFF10003
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22Heater cable, in line heater valve SPI onlyJFF10051
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22Heater cable, in line heater valve MPI onlyJFF100910
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23Shake proof washer 3/8”GHF323
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24Plain nut 3/8” UNFGFK3213
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25Knob insert for cable (original red/blue arrows 1990 on)JFD10039
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26Grommet for cable in body workCAM5969

Heater hoses for cars up to 1991 used heater matrix BAU5043 and were on the right hand side of the heater, whereas later cars used JEF10005 heater matrix and were on the left hand side of the heater, hence different hoses from item 17-21
Cars from late 1984 to late 1988 had 5⁄8”outlets on the heater matrix and will require 5⁄8”hose and then reducers
MOC210 from 5⁄8” to 1⁄2”size, to enable using 1⁄2”hose to fit the heater valve and bottom hose.
The 1⁄2”silicon hoses when well lubricated will push over the 5⁄8”matrix outlets as they are of a more supple and longer lasting material.