Classic Hydronics Seminar
In this all-technical three-hour seminar, Dan Holohan will give you a Liberal Arts education in those Classic Hydronics systems. He’ll have you seeing inside the pipes as...
Primary-Secondary Pumping with Multiple Boilers
Dan Holohan shares his knowledge about primary-secondary pumping with multiple boilers on hot-water heating systems. Want to learn more? Read Dan Holohan’s book Classic Hydronics: How to Get the Most From Those Older Hot-Water Heating Systems.
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