wirren...

Posted: Mon Nov 09, 2009 8:10pm
Post Subject: Calorifier a question & photo attached...Hi Tony, The 2007 calorifier is labeled Sigma Marine, another label says - Nautic Boiler model B03OUC 08 QUICK. sn-100003. photos show the pipes connected to lowest point on my calorifier. The blue pipe is the domestic cold 'in'. The red goes to a hole/outlet at the stern. Am I right in thinking the union with the red cap ( left hand side of photo ) is for pressure relief ? I thought it might have been for draining down. It will click round when turned ( anti clockwise .... I think ). Any idea what it is for ? Thanks Mark.
