Vaillant ecoTEC plus 418 - Replacing the Condense Trap and Siphonic Drain

For access refer to section 8.1.4.
● Remove the gas valve, fan and burner refer to the relevant parts of section 8.1.6.
● Drain the boiler.
● Remove the clip securing the clear condense pipe to heat exchanger.
● Pull to remove clamps (two at the top and one at the bottom) to remove the heat
exchanger, see fig 11.2.
NOTE:
There will be water in the heat exchanger.
Remove clear condense pipe connector from bottom of heat exchanger.
11.6 Replacing the condense trap and siphonic drain
Fig. 11.3 Condense trap