Can any commercial plumber please help me out and answer the following question for me?
What is an anti-gravity loop and what is its purpose? We have a tank fed pressurization unit, with a cold feed to the heating flow header. As the cold feed enters the flow header, the pipework sets up about a foot, and then drops back down into the header. On some systems i have seen the p/w will rise to the highest point in the boilerhouse and then drops back down to low level.
Ive noticed the majority of the anti-gravity loops have an automatic air vent on the horizontal pipework at the higest point.
What are there purpose as its a tank fed heating system. And is pressurizied through the pressurization unit?
hi cookie anti gravity loops are just that. they prevent hot water gravitating upwards when no pump is on they should have a vent as good practice , I'm not sure what you mean by pressurization unit , all the best john
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