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Pressure Relief Valves on Expansion Tanks
So this is a new one for me - on expansion tanks our local Authority Having Jurisdiction is apparently requiring Pressure Relief Valves between the isolation valve and tank. Apparently if there is a fire or high heat source near by and the tank is isolated the expansion tank can blow up. Is this code in your area? I'm interested in what you know or have heard.
Class 'A' Gas Fitter - Certified Hydronic Systems Designer - Journeyman Plumber
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