Temperature issue
'O' ring fits into the valve body and it is the ring that the piston slips back and forward between once again it is not always necessary to replace this.
If your pressure is really high then hang a towel over the end of the valve when adjusting the temperature.
You could try turning the valve to it's coldest removing the knob and refitting the knob at the hottest point then turning it to it's coldest you can try that a couple of times it may just be the knob has been refitted in the wrong place.
The only thing I can think of that may cause a problem with the temperature is has the valve been assembled correctly, the piston should have the teeth looking out and the thermostat should have the black bit facing out.
Generally these valves are easy to adjust unless you have unequal pressures and from what you say i don't think that is the problem
Answered 4 years ago by George Thomson
So the handle was correctly placed, it has a spoke that comes out which aligns with the off position when off on this shower so that’s not a problem.
What is odd is that a day after using the shower the shower temperature suddenly dropped to the point where the high setting was basically cold to luke warm which is almost exactly the same as old cartridge this new one was to replace.
I took the head off again and adjusted the temperature screw and got it back to a hot temperature again.
Though again it’s warm, hot or very hot. But would settle for that than cold. Seems very hard to adjust on my system, doesn’t appear to be much granularity.
But here is my thinking. I’m wondering if the high pressure of the water that literally jets water out of the end of the threaded piece where you adjust the temperature is possibly causing the temperature screw to turn over time.
This would explain how I set it to hot, and then a day of so later was back to cold/luke warm.
Have you had an experience of this on high pressure systems? I don’t know exactly how the water arrives in my flat but I know we have a pumping room with massive pumps pumping cold water around the building and a communal hot water system on the roof which I assume gravity feeds hot water to flats below. I’m on first floor of a 5 floor building.
Any advise on how I can get the best out of this cartridge or any diagnostic tips I can try would be appreciated.
Thanks.
Answered 4 years ago by Cameron Cooke
Answered 4 years ago by Barrie Seabright
View Product and Order Online:
Gummers Cart Kit For Bqts1503ecp-1 & B - Skbq1503-973C
Do you require any further help with Tap or Shower Cartridges?
Please click the following link if you would like to see other answers or ask a question regarding the Sirrus 1503 Series Thermostatic Cartridge Assembly - SKBQ1503-973C
If you've landed here and this question is not about your specific product, please take a look at these similar items on our Bristan Cartridges page. Alternatively, if you're looking for any other brands you should view our full range of Cartridges.
If you would like to buy this cartridge or look others from the same brand, please view our Replacement Bristan Cartridges (All)
For any other support request please get in touch.