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Monument Tools

Box Immersion Spanner

Product Code: 29549

3 3/8" (86mm) A/F. Immersion heater spanner with separate tommy bar. Without slot to ensure removal of immersion heater flex and to reduce the possibility of electric shock.

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Box Immersion Spanner Instruction Manual


3.6 5 20

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Box Immersion Spanner 3.6 5 20 20
Good Tool Seems very strong, handled the Emersion heater on a old style Megaflo without much bother, but had to use a strong pipe in conjunction with the Tommy bar to get a bit more torque. Turned out to be an easy job, buying the tool is a small price to pay compared to calling out a plumber. 14 Mar 2015
Very Poor Bar Which Bends! Very tight fit on immersion element but let down by the bar which bends easily and and was not rigid enough to release the element. Had to spend double again for another make from another supplier but it did the job effortlessly. 7 Mar 2015
Immersion Heater Spanner basic tool which did the job, saved me paying a plumer :O) 11 Feb 2015
Poor strength The pressed steel box spanner was a reasonably good fit on the old heater although the strength of the bar is a big let down. after a few taps with a lump hammer the bar started to bend. After applying a little heat to the flange and a few more taps, the old unit came out ok without splitting the can. I would say that this box spanner is ok for tightening new heater but not that clever for removing older seized heaters. I will take this back and pay a few quid more for the right tool. paying a few quid extra for the right tool will save time on the job faffing around with sub standard tools. 7 Feb 2015
  • 2015-03-30T15:04:43.456-05:00
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Brand Monument Tools
Model No SFX358J
Pack Size 1
Total Product Weight 0.705 kg