Bypass pipes, accompanied by a three-way control valve, are often seen in hydronic systems at both served loads (e.g., reheat coils) as well as at primary equipment (e.g., cooling towers). Reasons for ...

Working with PVC, CPVC, or ABS pipes can be simple once you understand their differences, the right fittings, and proper adhesive use. Choosing the correct materials and avoiding common mistakes will ...

In August’s column, I discussed three-way control valves, their associated bypass pipes, and the importance of a balancing valve being located within the bypass pipe. Such balancing valves are needed ...