Strettonman Posted June 8, 2019 Report Share Posted June 8, 2019 I’m just about to fit a twin coil calorifier but initially I will only be pulimbing in one of the coils to the engine cooling system as I am still to install the back boiler stove for the second coil. I was wondering what I should do with the second coil for the time being. Will it cause any damage if I just leave the second coil empty or do I need to rig something up to keep it full of water ? If so, should I just leave one end open (and pointing upwards) to allow for expansion and contraction - this will also suffer from evaporation. The alternative would be to put a piece of hose in line. Any thoughts ? Link to comment Share on other sites More sharing options...
hider Posted June 8, 2019 Report Share Posted June 8, 2019 Just leave it open, no problem. Link to comment Share on other sites More sharing options...
mrsmelly Posted June 8, 2019 Report Share Posted June 8, 2019 10 minutes ago, hider said: Just leave it open, no problem. Yep. Seconded. Link to comment Share on other sites More sharing options...
Strettonman Posted June 8, 2019 Author Report Share Posted June 8, 2019 Thanks Link to comment Share on other sites More sharing options...
0000 Posted June 8, 2019 Report Share Posted June 8, 2019 No problem leaving it open but I linked my coils together to heat the water faster using the two coils. I'll change it back when I do the final fit. 1 Link to comment Share on other sites More sharing options...
Strettonman Posted June 9, 2019 Author Report Share Posted June 9, 2019 Nice idea - thanks. Link to comment Share on other sites More sharing options...
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