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i can replace it odd that modern batteries last a short time my last programer batteries lasted over 20 years

it is new so you have not come across this before

sorry don't understand that

the l 3 way valve works the cylinder stat works the programmer does what I said it looks exactly as I should the heating and water function

danfoss fp720 programmer does not follow the timings i set eg 5.30 to 6 am after 6 the little symbol for hot water is still there and if you change the cylinder stat the boiler fires I tried resetting the danfoss nothing changed

the boiler greenstar 30di conventional does this make any difference

XEB1201 0.1uF -120Ohm 250v ac spark quencher is the research says what do you think

should i do this the boiler on this morning without the programmer like the Honeywell app Use a relay - Wire in a strict 230V relay (Such as http://uk.rs-online.com/web/p/products/4334076/) between the boiler switched live and pin 8 on the wiring centre Use the official "RC" device - The RC...

is there a link on the Internet that is available to do this I enclose a photo of the electric box. not please describe more please? Thank you for all this help

photo

one photo

as i see it the boiler turns on a by the programmer but not only at the times it should. the cylinder stat tell tells the boiler and I suppose the three-way valve

does greeenstar boiler mean anything can not find it on the boiler

the boiler danfoss fp 720 and cylinder sat, three-way valve are all in one place there is solar hot water as a separate system it is a Worcester boiler no frost sat the system is in a boiler room in the house the programmer cylinder stat three-way valve are new

it is a y plan system

where is the HW ZONE valve

i am having problems with my central heating. have a danfoss fp 720 Honeywell L641A1039 Cylinder Stat the danfossfp 720 was bought in March and not the firing symbol for the hot water is on outside the timing eg time set 5 am to 6 and symbol still there at 6 30 the boiler comes on at night no...