service kit: valves
KIT 286
Valve kit
Udor code 693002
Fits these pumps
Udor NH 500 6
NH-B 18/500 RNH-B 21/500 RNH-C 26/500 RNH-C 30/500 RNH-D 6.5/75 RNH-D 8.0/75 R
Udor NK 500 6
NK-B 18/500 RNK-B 21/500 RNK-C 26/500 RNK-C 30/500 RNK-D 6.5/75 RNK-D 8.0/75 R