Weishaupt Delayed ignition

Furnace makes loud booming noise at ignition

Advertisements

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Advertisements

Possible Causes

Incorrect gas pressure, Dirty burner head or gas ports, Misaligned ignition electrodes, Slow-opening gas valve

How to Fix / Troubleshooting

Safety: Booming ignition can damage the furnace and is a combustion safety issue. Turn off the furnace and gas supply until inspected.

Steps (technician recommended):

  • Inspect and clean the Weishaupt burner head and gas ports.
  • Verify and adjust ignition electrode position and gap.
  • Check gas pressure and valve opening characteristics.

Do not continue operating the furnace with booming ignition; contact a Weishaupt service technician.

Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Burner Head Assembly
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements