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THERMOSTAT HOUSING BRASS FILLER PLUG Socket/Spanner Size

Posted: Thu May 11, 2023 10:23 pm
by jlan1978
Hi all
I trying to loosen the THERMOSTAT HOUSING BRASS FILLER PLUG I can't sen to find a spanner or socket to fit correctly 21 is close but the nut is very tight and i don't want to ring/force or break anything.
Can you recommend correct size please?

Re: THERMOSTAT HOUSING BRASS FILLER PLUG Socket/Spanner Size

Posted: Thu May 11, 2023 10:29 pm
by xvivalve
It should be 13/16"

Re: THERMOSTAT HOUSING BRASS FILLER PLUG Socket/Spanner Size

Posted: Thu May 11, 2023 10:32 pm
by jlan1978
Thanks i'll try that

Re: THERMOSTAT HOUSING BRASS FILLER PLUG Socket/Spanner Size

Posted: Fri May 12, 2023 1:00 am
by Carledo
It is 13/16" as Alun says, the size of a standard spark plug socket!

Steve