Wet end for Koller circ. pumps with center suction
This complete wet end is a spare part of the Koller 0,16 HP, 0,27 HP, 0,40 HP and 0,54 HP circulation pumps with center suction. It is sold with its volute, impeller, wet end seal, faceplate o-ring and faceplate. The plug is available separately.
The wet end is available in a choice of four different impellers, which are called 0.16HP - 0.27HP - 0.40HP and 0.54HP.
To determine which wet end model you need, simply note the part number on the pump motor and refer to the following table:
| Pump reference | Impeller model | Wet end reference |
| 136-120-WC | 0,16HP - Diam. 68 mm | 136-120-C |
| 136-200-WC | 0,27HP - Diam. 72 mm | 136-200-C |
| 136-300-WC | 0,40HP - Diam. 80 mm | 136-300-C |
| 136-400-WC | 0,54HP - Diam. 86,5 mm | 136-400-C |
Dimensions
Diagonal distance between the supporting wet end legs: 130 mm
Width: 145 mm
Height: 168 mm
Connections
Discharge and suction: 62 mm thread diameter (type MBT 1.5 inches)
To be connected with 1.5" or 50 mm pipes pump union
Koller part numbers
136-120-C : 0.16HP
136-200-C : 0.27HP
136-300-C : 0.40HP
136-400-C : 0.54HP