How to mend Vaillant Turbomax Plus 282/2e

can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?

What does f.25 mean?

how do I rectify the fault as detailed below?

Vailliant turbo max plus 824e?

Hot water comes and goes!?

Vaillant ecomax 828/2 e water pressure sensor?

Vaillant eco plus 531 boiler?

Valiant thermostat , BMU-Err ?

Problem with the pressure in combi boiler?

Valliant Eco tec 28?

Vaillant igniting issue ( domestic ) not CH?

No hot water, intermittent when air temp drops?

Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?

Why is heating on at night?

How do I fix f22 error on my Vaillent Ecotec Plus boiler?

Boiler over pressure on the hot-water side?

Vaillant ecotec plus 630?

Vaillant Ecotech Plus 831 F22 fault?

my boiler will no work?

Vaillant vcw gb242 eh central heating problem?

Vaillant condensing boiler ecoTEC plus?

vaillant ecoTEC plus boiler fault code - how to fix?

Vaillant 828E - no hot water?

Advice?

Vaillant F22 fault?

how do I vent the heat exchanger?

Vaillant Thermocompact Fault?

how to fix water pressure its down at bottom of grey part?

my vaillant boiler is saying a code com on it ?

Vaillant ecotec 831 plus?