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Danfoto
What's the difference apart from size? I know how an AAV works, so is an ASV just the same dog with different spots or is it a completely different animal?
Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
Reply to the thread, titled "AAV and ASV" which is posted in UK Plumbers Forums on Plumbers Forums.
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