---
title: Hydronic Piping
−category: Mechanical
+category: Mechanical / Piping & Pumps
toc_depth: 3
description: >
…1182 unchanged lines
Chilled water insulation vapor retarder breaches at supports, valve bodies, and fitting insulation seams cause condensation drips on ceilings and floors. Every CHW fitting, flange, and valve shall be insulated with fitting covers or mitered sections sealed with manufacturer's vapor-retarder adhesive before final inspection.