Arrived in good time and I was glad as the boiler needed refilling. The fit is very tight and I had read reviews stating that a little grease would help, which it did, however it does not appear to fully engage with the inside mechanism so filling was very slow. Time may help with this.
Verified purchase: Yes | Condition: New
Bought this to use on Worcester Bosch combi cdi boiler. The smaller one was correct size but plastic was poorly made and grooves didn't aline to boiler. In the end I had to buy small filling key from local plumbing shop which fitted straight away.
Verified purchase: Yes | Condition: New
No criticism of the seller ,but Worcester designed a fault into their boilers with this filling method. By buying one of these it is a safe assumption that your original key supplied with the boiler has failed.This one will too ,so buy another now! To minimise risk of breakage always lubricate the rubber 'O' rings with soap or silicon lubricant before inserting into the boiler and remove carefully & immediately after filling.
Verified purchase: Yes | Condition: Pre-owned
Although the item description says it can be used in model number 35CDI the Gas registered plumber who serviced my boiler said that it cannot be used in this model.This model is connected to a water supply from the mains. When the pressure in the boiler is too low you just need to open the inlet valve keeping an eye on the pressure dial. Will return it for this reason.
Verified purchase: Yes | Condition: New
A stupid way to fill a boiler with water but a must have very important NOT to push in dry, washing up liquid and a drop of water or it may get stuck.
Verified purchase: Yes | Condition: Pre-owned
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