mike91 Posted February 27, 2010 Share Posted February 27, 2010 Hello. I am going to install an oil pressure gauge aswell as oil warning light.So i need a t piece, the options on the website are; 1/8 NPT 1/4 NPT 1/8BSPT M10*1 M12*1.5 1/2"UNF?!?!Which one do i need? Thanks a lot. :) Link to comment Share on other sites More sharing options...
drofgum Posted February 27, 2010 Share Posted February 27, 2010 Mike91,I beleive the 1/8" BSPT is the correct one, but I have been successfuly using the 1/8" NPT for a number of years. I think 1/8"BSPT is 28 threads per inch and 1/8 NPT is 27 TPI. On such a short thread the difference is negligible. HTH, Paul Link to comment Share on other sites More sharing options...
mike91 Posted February 28, 2010 Author Share Posted February 28, 2010 thankyou!i ended up ordering a full set of new gauges, all electronic and swish :) Link to comment Share on other sites More sharing options...
rotoflex Posted February 28, 2010 Share Posted February 28, 2010 Doesn't your Rimmer Bros sell that piece?http://www.rimmerbros.co.uk/Item--i-GRID000315 Link to comment Share on other sites More sharing options...
mike91 Posted February 28, 2010 Author Share Posted February 28, 2010 yea they do! i was on another site merlin i think it was called or something...and wanted to order the electronic sender (which also came in the full range of sizes) at the same time as the gauges.but thank you anyway :) Link to comment Share on other sites More sharing options...
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