Jan 28, 2017 · The loop is used to prevent water from leaving the boiler through the return if the pressure is lower than the supply or if there were to be a leak on the return. This piping configuration was mandated by code for a long time to prevent low water conditions causing the boiler to dry fire. With the invention of more advanced low water protection
4 Reasons for Water Leakage Around a Boiler | DoItYourself.com
Dec 17, 2019 · The condensate pipe is used to drain all the excess water produced from the condensing process in your boiler. Since the water, aka the condensate, is mildly acidic (that's because it is a by-product of the condensed waste gasses), it needs to be drained through a PVC or ABS pipe. Any metal pipe used would corrode.
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10 rows · Boiler Piping Flow & Pipe Sizing. - Copper and Steel Pipe Flow Rates and Characteristics of
Oct 02, 2020 · Alternatively there may be water running from a small pipe passing through the external wall near the boiler. Sometimes a small boiler leak shows up as mould, damp or staining near the boiler. Or as warped skirting boards or counter tops nearby. For boiler heat exchanger leak symptoms, you might see water dripping out from the bottom of the casing. There could even be a leak elsewhere in the …
The overflow pipe is copper and extends to the outside of the home. The condensate pipe is made of plastic and ties into a sewage line. These are the two primary causes the overflow pipe may leak water. When too much pressure accumulates in the boiler, water may leak out the overflow pipe.
Boiler Piping Flow & Pipe Sizing | HVAC Hydronics