23 20 20 Direct Buried Piping (Pre-Insulated) 23 20 01 Pumps 22 30 00 Plumbing Equipment 23 27 00 In-Floor Heating 23 09 14 Valves 22 40 00 Plumbing Fixtures 23 34 23 Power Ventilators 28 30 10 Fire Protection 23 52 11 Boiler Accessories 22 00 50 Pipe & Pipe Fittings 22 20 00 Tanks 22 00 00 Plumbing 23 83 10 Infloor Radiant Heat 23 21 16 Hydronic Specialties 23 52 10 Boilers
Trade Names : Aker, Apollo Valves, Axiom, Bemis, Boiler MAG, Conbraco, Ecoflex, Electro Industries, Elkhart Fittings, EWC, Gerber, IBC, Maax, Raypak Boilers, Revent, Rheem, Rhomar, Ruud, Shurjoint, Swan, Uponor, Viessmann, Wirsbo