Isolate and open
Take the circulation pump out of service, control the water, and open the assembly so the failed components can be inspected.

Strata boiler service
At this multi-unit strata property, the boiler circulation pump had failed. The volute and impeller were replaced, the pump was reassembled and checked, and circulation was successfully returned to service.
REAL PROJECT · CUSTOMER DETAILS PROTECTEDThe repair decision
The pump was opened so the internal wet-end components could be assessed. The inspection confirmed that the repair required more than an external adjustment. The volute and impeller needed replacement.
These photographs document the actual repair at a multi-unit strata property. Exact building and customer details are intentionally protected.
The work
Take the circulation pump out of service, control the water, and open the assembly so the failed components can be inspected.
Assess the volute, impeller, shaft, seal area, and internal condition to define the parts and work required.
Install the replacement volute and impeller, then reassemble the pump with the correct fit and sealing surfaces.
Complete lubrication and operational checks. The repaired pump was successfully returned to operation for the strata.



The confirmed outcome
The completed repair addressed the failed wet-end components and returned the circulation pump to service.
Discuss a boiler pump repairMore proof from the field
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