23 09 00 Instrumentation and Control for HVAC 28 30 00 Electronic Detection and Alarm 22 00 00 Plumbing 22 30 00 Plumbing Equipment 22 40 00 Plumbing Fixtures 23 52 00 Heating Boilers 23 21 00 Hydronic Piping and Pumps 23 00 00 Heating, Ventilating and Air Conditioning (HVAC) 23 20 00 HVAC Piping and Pumps 23 34 00 HVAC Fans 23 83 00 Radiant Heat Systems
CSI Codes : 22 00 00 Plumbing, 22 30 00 Plumbing Equipment, 22 40 00 Plumbing Fixtures, 23 00 00 Heating, 23 09 00 Instrumentation and Control for HVAC, 23 20 00 HVAC Piping and Pumps, 23 21 00 Hydronic Piping and Pumps, 23 34 00 HVAC Fans, 23 52 00 Heating Boilers, 23 83 00 Radiant Heating Units, 28 30 00 Electronic Detection and Alarm, Ventilating and Air Conditioning (HVAC)
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