News and Codes


Locking Cap Code

1106.3.1 Refrigerant Service Ports. Refrigerant service ports located outdoors shall be fitted with a locking-type tamper-resistant caps or shall be protected from unauthorized access by means acceptable to the Enforcing Agency.

2010 California Mechanical Code now requires that refrigerant service ports be protected with a locking-type tamper-resistant cap. C&D locking refrigerant caps comply with all aspects of the new code. For more information C&D locking caps please go to

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