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Cold radiators near the end of a loop

gerry gill
gerry gill Member Posts: 3,078
in THE MAIN WALL
check the pitch of the radiators,,are valves broke/closed,, does the boiler have a hole in it,, things like that..

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  • Jason Ruiter_2
    Jason Ruiter_2 Member Posts: 1
    Cold radiators near the end of a steam loop

    Greetings,

    I have a one pipe steam radiator system -- 6 radiators on a single floor. When the boiler kicks on, the first two radiators get hot, but none of the others do. I had the main vent replaced last year, and have since replaced most of the vents on the other radiators.

    The first two become hot, the others are cold. The pipe entering radiators 3 and 4 are hot -- 5 and 6 (the furthest from the boiler are cold).

    How do I begin to troubleshoot this? If I remove a vent on a radiator, should I expect it to heat up if the boiler is firing? What else should I look for?

    Thanks
    Jason Ruiter
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