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Made with octagon at the base of the cylindrical section toenable really tight immersion heaters to be loosened by strikingthe handle.
The one piece casting enables full transmission of power to thespanner unlike loose tommy bar types.
Overall clearance around the spanner is 7/8in (22mm) allowingeasier fitting on insulated copper cylinders.

Size 3.3/8in AF - 86mm

DescriptionCodePrice INC VATBasket
Monument 361t Box Ring Immersion Heater SpannerMON 361T£30.60
Monument 361t Box Ring Immersion Heater Spanner