Q: Hi Will this valve replace a Caleffi TRV which has the frost symbol
on it. There is a number 3503 on the dark grey part.
A: Hi. Yes it will.
Q: My TRV head has the code 2303. The pin within it is permanently 'down' - it does not move with the adjuster, so the radiator id permanently off. Can I reset the pin position, or do I just get a replacement head ?
A: It does sound like it has failed and needs replacing.
Q: I need a replacement Caleffi TRV head. Mine looks the same as in your picture, but it has roman numerals and the code on the grey housing is 1601. Will this TRV head fit?
A: Yes it will.
Q: Does this valve have the adjustment range limiter feature? (The snap ring below the setting numbers)
A: Yes it does.
Q: I need to remove a radiator without draining the entire heating system in my house. If I just turn the valve past anti frost to “0” will that shut the valve off while I decorate?
A: Yes, but this is not designed to be used for long periods of time.
Q: hi i have caleffi TRV head i need to replace stuck valve
have looked online but cant see how to remove head can you help please
You just need to set it to the highest setting then loosen the large metal ring nut.
Q: I need a replacement Caleffi TRV head. My faulty one looks like the one in your picture, except that it has Roman numerals for the temperature settings and shows a code 4900 on the grey housing below the rotary head. Your page does not show the connector thread diameter. Mine is about 2.8 cm. Is the TRV head you offer the correct replacement?
A: Yes it is.
Q: Is it possible to replace the TRV Head without draining the system?
What happens if the pin it tightens down to is stuck?
Is it ok to gently tap with a hammer/
A: You can change the head without draining.
you can try to push the pin with a flat object to try and free it.
Q: the head I have is cream - is the one you sell cream [not white]?
A: The colour is white. However, the colour can change to a more cream colour over the years due to sunlight. This is what it sounds like has happened to yours.
Q: My old Caleffi TRV has a number of 0901 will this fit?
A: That is a date code. Please email us a photo to firstname.lastname@example.org
Q: Is the Ecocal a direct replacement for the standard caleffi TRV valve
A: Yes it is.
Q: Is this valve available from you in Chrome
A: We can order it in for you. Please email email@example.com with how many you need and we will give you a price.
Q: The only number I can find on my CALEFFI TRV is 2402. Is this Ecocal replacement head suitable for all CALEFFI TRV's or just certain ones?
A: It is suitable for all Caleffi TRVs.