Residential Design & Build Product Guide

SubRay

The SubRay Modular Hydronic Radiant Floor System from Watts Radiant can be used over frame or slab floors. These heating system modules can be installed as a whole-house system or used to heat a basement or room addition. The SubRay comes in 5/8 and 3/4 in. thicknesses and sleepers are 6-in. wide with a 2 1/8 in. space between panels when installed.