Patterson-Kelley Solutions Blog

Variable Primary OR Primary-Secondary Piping

[fa icon="calendar'] Apr 30, 2019 1:53:10 PM / by Patterson-Kelley posted in Boiler, Condensing Boilers, Hydronic Boilers, Non-Condensing Boilers, Variable Primary Piping, Primary-Secondary Piping

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Hydronic Boilers Piping Arrangements

Just like we would debate over sports, music, or politics, engineers have long held strong opinions about piping arrangements for hydronic heating systems.  Which is better:  Primary-Secondary or Variable Primary?  They each have their benefits, but most boiler manufacturers tend to side with Primary-Secondary.  Wouldn’t it be nice to have a different choice?

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