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crwdns2933797:0David Newtoncrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 David Newton
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| + | [* black] The first thing to check is the ''pressure gauge''. See the image. |
|---|---|
| + | [* black] Often it has a marker (the ***red*** needle) which tells you the pressure the system ***normally*** sits at. |
| + | [* black] If yours reads ***zero*** as the one in the image does (see the black needle), then it's time to call someone to get it fixed. |
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