Since 1928 and is a pioneer and leader in the plumbing trade.

• See also:
• Masterformat 2004
• 11 47 00 - Ice Machines
• 23 57 00 - Heat Exchangers for HVAC
• 23 57 16 - Steam-to-Water Heat Exchangers
• 23 57 19 - Liquid-to-Liquid Heat Exchangers
• 23 64 00 - Packaged Water Chillers
• 23 64 13 - Absorption Water Chillers
• 23 64 16 - Centrifugal Water Chillers
• 23 64 19 - Reciprocating Water Chillers
• 23 64 26 - Rotary-Screw Water Chillers
• 23 65 00 - Cooling Towers
• 23 65 13 - Forced-Draft Cooling Towers
• 23 65 16 - Natural-Draft Cooling Towers
• 28 30 00 - ELECTRONIC DETECTION AND ALARM
• 28 31 00 - Fire Detection and Alarm
• 28 31 46 - Smoke Detection Sensors
• 28 33 00 - Fuel-Gas Detection and Alarm
• 28 34 00 - Fuel-Oil Detection and Alarm
• 28 35 00 - Refrigerant Detection and Alarm
• Masterformat 1995
• 11435 - Ice Machines
• 13850 - Detection and Alarm
• 15620 - Packaged Water Chillers
• 15640 - Packaged Cooling Towers
• 15710 - Heat Exchangers