Junkers WR Series 87005030660 heater membrane

Junkers Wr heater membrane

Junkers automatic water heater diaphragm . It has an inscription on the stem with the letter A.

Check the compatible models to see if this is suitable for your water heater. The old membrane may be yellow. This is a replacement performed by the manufacturer Bosch Junkers ; they replace the old yellow membranes with new, translucent silicone ones. These are much more durable.

Problems that a deteriorated membrane can cause: slow ignition of the Junkers water heater, small flame, decrease in water temperature, very low burner flame.

Problems with a broken diaphragm: The heater no longer ignites, and in the case of this diaphragm, which is from Junkers automatic models, the heater will no longer produce an ignition spark