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Hi:) why is it necessary to use a safety valve / remove the delivery tube before heating is stopped? pls help :) thank you !
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Hi:) why is it necessary to use a safety valve / remove the delivery tube before heating is stopped?

pls help :) thank you !

Hi:) why is it necessary to use a safety valve / remove the delivery tube before heating-example-1
User Texasflood
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1 Answer

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Answer:

it prevents leakage of water

User Rosey
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