ACV 537DX016 electrode replaces 537DZ043
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Discontinued – ACV Ignition Electrode A18 (A39), replaced by 537DZ043.
The original A18 (A39) ignition electrode has been replaced by 537DZ043, offering enhanced spark reliability for modern ACV boilers.
Previously compatible with:
- Prestige 100 MK4
- Prestige 120 V14
- HeatMaster 100
- HeatMaster 120
- Delta Pro 85
Upgrade to 537DZ043 for:
- New-model compatibility
- Extended durability
- Exact OEM fit
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