vaillant ecotec pro 28R1 hot water ok but no heating.....

[moogwai]

getting central heating demand...boiler fires...goes upto 81 degrees then shuts off as the water is going no where.....is this the diverter? ....just wanted to check i have diagnosed correctly before ordering the part. thanks lads.

 

[stevetheplumber]

sounds like it can you not open valve manualy push /pull pin to cofirm

 

[Bigvespa]

Have you checked the actuator....

 

[Toned.f]

Have you checked the actuator....

If the actuator is working then your diverter is siezed.

 

[moogwai]

thanks lads....not tried manually opening the valve as i'm not sure how and not done it before....if can you explain how please pm me. cheers.