Yes. Over here it is a requirement of all the Model Engineering Societies and their insurers. Apart from that, they can deteriorate over time, and as a test is so quick and simple, it is better to test than not. alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx www.alanstepney.info Model Engineering, Steam Engine, and Railway technical pages. ----- Original Message ----- From: "Allen Messer" <al_messer@xxxxxxxxx> To: "modeleng" <modeleng@xxxxxxxxxxxxx> Sent: Wednesday, December 01, 2004 1:44 AM Subject: [modeleng] Copper boilers Since it is assumed that model boilers made from Copper are not affected by corrosion as are those made of Steel, is it necessary to give them an annual hydro and steam test? Al Messer __________________________________ Do you Yahoo!? Yahoo! Mail - You care about security. So do we. http://promotions.yahoo.com/new_mail MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.