Mono SB Muncher 

Spare Parts for SB Muncher 

This page lists replacement and compatible spare parts for Mono pumps.
Pump Spares Direct is an independent supplier and is not affiliated with, endorsed by, or authorised by Mono.

Image shown for pump identification purposes only.

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Spare Parts List

Genuine and compatible spare parts for the Mono SB Muncher — a compact twin-shaft grinder with hardened cutters and a patented trash trap, mounted inline in a pipeline (CB201) or in an open channel (CB201A) to protect submersible and dry-well pumps from rag and solids. Low power draw, minimal civil works, and long service life on raw-sewage duty.

Type: Pipeline / channel twin-shaft grinder Duty: Pump protection · raw sewage Models: CB201 (pipeline) · CB201A (channel)

Common Wear & Service Parts

✓ Tick the parts you need — your selection carries into the quote request below. Not sure which item, or need the exact spec? Add a photo of your muncher’s nameplate and we’ll identify it for you.

SelectWear / Service ItemFunction & when to replace
Primary Wear — Cutting Stack
Cutter Stack (full set)Cutters + spacers — the primary wear item; replace as a matched set when grinding drops off or solids pass through.
Side Rails / CombsStrip material off the cutters; wear alongside the stack.
Cutter ShaftCantilever shaft — replace if scored, bent or worn at the seal / bearing journals.
Seals & Drive
Mechanical SealShaft seal — replace on leakage or at service intervals.
Shaft BearingsReplace on noise, play or at seal-change intervals.
Drive CouplingConnects gear unit to cutter shaft; replace if worn or slipping.
Gear Unit Oil SealsReplace on oil weeping from the drive end.
Trash Trap, Housing & Consumables
Trash TrapCatches non-grindables ahead of the cutters; inspect and replace if damaged or worn.
Wear / End PlatesProtect the housing bores; replace when grooved.
Gasket / O-Ring SetRenew whenever the unit is opened for service.
Full Service KitCutter stack + seals + bearings + gaskets for a complete rebuild.

How we confirm the exact part: the current Mono manuals identify parts by exploded diagram only, so we quote genuine parts against your unit’s model & serial number. Tick the items above and add a nameplate photo — we’ll confirm the correct genuine Mono part and price for your exact machine.

Models & Key Specifications

ModelMount / EnclosureMotor (kW)Weight (kg)
CB201Pipeline · IP551.1205 – 208
CB201Pipeline · IP551.5207 – 244
CB201Pipeline · IP552.2244 – 248
CB201AChannel · IP551.1155
CB201AChannel · IP551.5190
CB201AChannel · IP552.2195
CB201AChannel · IP67/681.1200
CB201AChannel · IP67/681.5225
CB201AChannel · IP67/682.2260
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