PumpLookupPump and motor part numbers
Mains Units

service kit: ordinary maintenance

1.904-811.0

Plunger seal kit, 20 mm

Hawk code 1.904-811.0

In the kit

Part numberDescriptionPosition
No own numberO-ring Ø1.78 x 31.47 FKM3
No own numberLow pressure "U" seal Ø20 mm5
No own numberHigh pressure "U" seal Ø20 mm7

Kits per pump: 1.

Fits these pumps

Hawk NMT Chemical 4

NMT1520EBCHLNMT1520EBCHRNMT2120EBCHLNMT2120EBCHR