North West Timber Treatments Ltd.

Box Ring Immersion Heater Spanner

Product code 358J
  • £7.68
  • £9.22

Please allow up to 3 business days for delivery

The Monument 358J Deep Box Immersion Spanner has an octagonal box ring at the base of a steel cylinder. The deep box design allows easy access to heaters that are surrounded by insulation or recessed. Supplied with a separate tommy bar.

Technical Specs

Size: 86mm (3.3/8 AF).

If you have any questions about our Box Ring Immersion Heater Spanner then call our sales team on 01942 720777 or email us at

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