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Box Immersion Spanner (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.

  • Steel Construction

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£8.99INC VAT

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Rated 4 out of 5 by Did the job. Sprayed WD40 round the thread and left overnight as suggested elsewhere.Last time I removed an immersion heater was about 40 years ago,think this one had been in place about 17 years.Tool fitted fine,2/3 taps with a light hammer and started to move,easier than I expected.Very pleased. 2 Aug 2016
Rated 5 out of 5 by Handles corroded joints well I replaced a 40 year old immersion heater at the weekend - the thermostat was in Fahrenheit !, I read about how to do the job and with limited space bought this. What a job! Heated the joint after removing the water, froze the joint - it would not budge. Added an extension to the bar - which started to bend!. Eventually got my son to lie on his back bracing the cylinder with his feet so it would not move at all . I then used the extension (a hollow car jack handle which fitted over it) and applied all the force I could. It suddenly moved very slowly for one full turn and then came away easily. So it works well in confined spaces and tolerates a large amount of force. Just the job. (The bent handle was straightened in a vice) 6 Jul 2016
Rated 4 out of 5 by pretty good tool Fitted well - I have tried the flat spanners before and they do not work and you have to cut away a lot of the tank insulation. The tommy bar is not really long enough - we are in a hard water area and the old heater had been there 20+ years. But using a long pair of heavy-duty grips to hold the box spanner got it moving. I read that it is best to leave the water in the tank while trying to get the first movement on the spanner - water adds to structural strength of tank and reduces risk of damaging it - of course drain before taking it right out! 20 May 2016
Rated 4 out of 5 by Does the job Simple tool - does the job well. Good value even if you only use it the once! 21 Mar 2016
  • 2016-08-28 T10:39:44.753-05:00
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Brand Monument Tools
Model No SFX358J
Pack Size 1
Pieces in Pack/Case 1
Total Product Weight 0.705 kg


Instruction Manual