EECTECH supplys water cooling jackets to match some of the triode tubes

8T69JB water cooling jacket
9T94A water cooling jacket

FD-911S water cooling jacket
FD-911SA water cooling jacket
FD-911SC water cooling jacket
FD-911SD water cooling jacket
FD-912S water cooling jacket
FD-934S water cooling jacket
FD-935S water cooling jacket
FD-950S water cooling jacket

FU-10S/Z water cooling jacket
FU-22S water cooling jacket
FU-23S water cooling jacket
FU-307S water cooling jacket
FU-308S water cooling jacket
FU-431S water cooling jacket
FU-433S water cooling jacket
FU-914S/C (FU-914SC) water cooling jacket
FU-918S/C (FU-918SC) water cooling jacket
FU954S water cooling jacket
FU955S water cooling jacket
FU956S water cooling jacket
...

Please contact EECTECH for further communication.