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Hi guys, sorry if this has been covered elsewhere. My existing (20+ yrs old!) vaillant boiler gave out and needed replacing last week. I am a new landlord and have tenants in the flat so needed to get it replaced asap, and I didn't have time to get multiple quotes. The leasing agents sent their...

Hi all - hope everyone's enjoying the sunshine! My boiler ( Vaillant VCW sine 18) is losing pressure over 24 hrs - i top it up to 1.5 bars, and it drops by the next day :( There is a small drip from bottom of a red tank thing (i assume it's the expansion tank) but today i also noticed a...

Hi guys, i hope you can help: My boiler is old ( Vaillant VCW sine 18 ) but has been working beautifully for years. Today it started leaking (hot water), quite badly, from what looks like a little valve / screw on top of a little cylinder (hot to the touch) whenever the boiler is on (for...