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Old 01-16-2022, 10:02 PM   #3
Descant
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I'm unaware of any filter for a forced hot water system, but the machinery should be serviced annually for best efficiency, new jets, etc. In the mean time, if it is cold out, it will cycle more frequently and any deficiencies will show up more obviously. Your oil delivery company should have a tech on duty 24/7. The sooner you call, the sooner you will move up the list.
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