This service kit will keep your Welch 2052 diaphragm pumps run at top performance.
- Diaphragm x 4 (PN 400732)
- 12 x 2 o-ring EPDM x 9 (PN 829217-3)
- 25 x 2 o-ring EPDM x 8 (PN 829250-1)
- Valve x 8 (PN 400656)
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