RandyAB
Well-Known Member
I wnat to build a rims heater. Is brass a reasonable choice for the tube and fittings? I can't find stainless locally.
I was looking at going with the 1.5" based on Guy's original thread whereby many people responded that 1.5" would be more efficient than 2". Is there a general consensus on which size to get? Also, there is obviously a down side to going too short. I don't really see a down side to having the tube a bit on the longer side other than space considerations.
I was looking making a sweated copper RIMS tube, but I always got hung up on how to secure the element. I couldn't find any adapters that worked with the element thread (1" NPS). If you have a solution I am all ears. I love the idea of a sweated tube. The reducing tees are PERFECT and I would even solder the thermocouple to the body like I did with my HERMS HEX. Could you get away with using a 1 1/4" NPT adapter and lots of teflon tape?A brass tube is going to cost you a fortune. Try copper, theres nothing wrong with copper and you could use sweat fittings.
Good to know, exactly what size NPT is used for the element? I know that NPT are quite larger than standard.A lot of people (myself included) have made RIMS tubes out of copper pipe and used an NPT fitting with lots of teflon tape at the element end. In my case, I never had any trouble getting it to go in leak-free, even under pressure.
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