Gast K294K Repair Kit for DOA and DAA Diaphragm Compressors and Vacuum Pumps

The Gast K294K service kit is used on oil-less diaphragm models with internal filtration. This service kit returns your unit to its original factory performance specifications. We recommend service every 2 years. One kit is required for DOA models. Two kits are required for DAA models.

This repair kit can be used for the following products:

• DOA-P704-AA
• DOA-P504-BN

Also recommended for replacement: AF818A (used on pressure models) or AF818B (used on vacuum models).

Gast K294K OEM Full Repair Kit Includes:

Qty      Item

1       Instruction Manual
2       AF817 Leaf VLV FCST
1       AF819A Ret VLV
1       AF856 Valve Limiter ROC/DIA (SP)
1       AH705 Gasket Head
1       AP110 Limiter Valve
1       AP513B Molded O-Ring
2       AT712A Filter Element
2       BB317 6-32x .187 PHMS SS (SP)
1       BB330B 6-32x .625 Pan Head