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Dega Degas Gas Spa Heater Replacement System - Dega 100mJ 200mJ Spa Heaters

  • From $1,750.00
  • Save $1,550

Replacement for all Dega / De-Gas heaters - FREE SHIPPING AUSTRALIA WIDE. Dega heaters stopped production in the 1990s. Replaces all Dega 100mj & 200mJ gas spa heaters. This is the best system to replace them. Recommended by

Dega / Degas Gas Heater Replacement. May require some plumbing changes, but fits in a very similar footprint to Dega gas heaters. Made by a well-known Australian manufacturer. Note that Dega "100mJ" were actually only using approx 60mJ, and this replacement is around 70mJ.

Replaces all Dega / De-gas / Degas Gas Spa Heaters - De-gas Dega High Efficiency Compact Spa Heater 100 MJ For Natural & LPG Applications AGA Approval No 4433 | Dega Research Pty LTD Model: DE-GAS 100MJ Part Number 1-0989-00 | Onga Item No 1002850 SPAPAK 100mJ NG T/C BR9000 663 / Item No1002800 / Part No 1098800P / Dega 200mJ


  • Natural or LPG gas
  • Cupro-Nickel Heat Exchanger
  • Digital Thermostat
  • Diagnostics on screen
  • Full-Flow Plumbing for faster heating times - Requires re-plumbing of water pipes.
  • Option for Bypass style* (similar to Dega / Everdure / Pyrox / Bosch / Chaffoteaux heaters) *Pump must be 2HP or higher to set up. bypass style. Bypass style must use 25mm flexible PVC plumbing. 

 *images used for information purposes only.

We always recommend to re-route the plumbing in 40mm through the heater, rather than using bypass heating. This gives faster, more efficient heating. 

Gas Pool & Spa Heaters by: (We recommend)
Melbourne Spa Repairs & Pool Heating Services