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I adjusted the d.02 value from 15 (default) to 20 a few days ago. Flow left intact at 55c, the anti-cycling time between reaching target flow temp and cutting out then refiring is now 9.5 minutes. d.02 - 15 (default) / real anti-cycle time 6.5 minutes A second before the ignition goes off...

I forgot to mention at the start of this thread. The whole radiators temperature going luke warm/hot frequently, stemmed from me watching videos on how to balance and me being ready to check flow/return of each radiator to balance them using an IR gun and small pilers. This in turn brought my...

Thanks for your advice, appreciate your input. I've taken some readings this morning before work, let me know what you think. Just before it reaches target flow temp of 55c, as it's still burning and just about to cut out. Reading d.40 56c d.41 42c As target flow temp of 55c has just been...

I thought I'd provide a video (with audio) to understand what's going on better. Boiler has been idle for an hour. Drayton Digistat RF1 set for 20c (17c currently in the house). Timeline below if you'd rather not watch the whole 20 mins. 0:00 - Ignition fires up, yellow light, flow begins...

Hello, I have a Vaillant TurboMax Plus 828E which I’m experiencing an issue with persistent cycling using the central heating. For years I’ve thought this was normal and that’s just how it operates, but maybe we’re just feeling the cold more because it’s becoming uncomfortable. I’ve got the...