Skip to Main Content


Trap Primer Adaptor

Watts MS-930 epoxy coated cast iron trap primer adaptor with 1/2 in. (13mm) NPT threaded tapping, and no hub connections.


  • Epoxy coated cast iron for long life
  • No hub connections for easy installation

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific MS-930

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: