Petrol water pump, any make/model (Standlake OX29)

Looking for a used petrol water pump that someone no longer has the need for to use down the allotment. Any make or model. Preferably capable of transferring 250 litres per minute (250L/min,15000L/hour water pump) and fitted with a 1.5" inlet and 1.5" outlet but not essential. Could be either 2 or 4 stroke.
Can you help with this request?
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