The Hydronic Heating Specialties product guide, PG-HHS, features the manufacturer’s line of hydronic heating products, including boiler fill valves, relief valves, flow checks, expansion tanks, air scoops, automatic vent valves, thermostatic mixing valves, hot water extender tempering valves, purge and balancing valves, boiler drains, and other related products. Each section contains a product description, photo, dimensions, approvals, as well as ordering information.

Watts Regulator Co., Attn: Literature Dept., 815 Chestnut St., North Andover, MA 01845; 800-617-3274; (website).

eProduct #189