ASSE LEC 2009

Backflow Preventer and Automatic Boiler or Chiller Filling Device with Pressure Regulating Management
The scope of LEC 2009 covers direct-type boiler and chiller fill valve assemblies with integral backflow preventer and system pressure regulator that are used to control the inflow of water into heating and cooling systems to ensure sufficient system pressure. These devices protect the potable water supply against backflow due to backpressure and backsiphonage
Statut:
Valide
Secteur:
Plumbing
Applicabilité date:
2022-06-03
Date d'expiration:
2027-06-03
Numéro de la norme:
ASSE LEC 2009
Date de publication:
1969-12-30
Organisme de certification:
Not Applicable
Autorité canadienne de réglementation:
Canadian Regulatory Council on Plumbing