Aqualisa 518114 Midas 100, 200 and 300 Low Pressure Thermostatic Cartridge.
This Aqualisa 518114 cartridge is used in:
- Aqualisa 100 Midas Shower Bar
- Aqualisa 200 Midas Shower Bar
- Aqualisa 300 Midas Shower Bar
If you are experiencing difficulties with the temperature of your shower water then the cartridge is the prime suspect.
Aqualisa 518114 Measurements and Other Information
The Aqualisa 518114 thermostatic cartridge spare part for Midas 100, 200, and 300 includes a grub screw for securing the cartridge in the shower valve.
91.4mm (including wax thermostat at bottom)
Diameter at Widest Point:
Top Spline Diameter:
Top Spline Teeth / Notches:
Diameter at Top O'ring:
Diameter at Middle O'ring:
Diameter at Bottom O'ring:
Push Fit with M5 (5.7mm) Grub Screw (Grub Screw Not Included)
Low Pressure Thermostatic Cartridge Spare Part 518114
Number of O-Rings:
Number of Gauzing:
Installing the 518114 Aqualisa Thermostatic Cartridge in Aqualisa Midas Showers
Isolate the hot and cold water supplies.
If necessary, use a flat-head screwdriver.
Remove the temperature handle‚Äôs centre indice. Unscrew the handle. Remove.
Midas 200 and 300:
Remove the handle chrome cap. Undo the centre screw. Remove the handle.
Note down the ‚Äústop‚ÄĚ position. Slide out the temperature stop ring.
Locate the grub screw and use an Allen key to remove. Extract the faulty cartridge from the shower valve.
Apply silicone grease
on the Aqualisa 518114 replacement thermostatic cartridge
O-rings. Introduce the new cartridge in the valve unit making sure the grub screw hole on the cartridge is aligned with the hole in the housing. Set it in place with the screw.
Calibrate the new cartridge if desired. (Please refer to the section below.)
Restore the temperature stop ring in the same position as in step 3.
Return the handle. Be careful not to move the splines. Screw and secure. Push the indice back in its original place.
Midas 200 and 300:
Taking care not to move the splines, return the handle and affix it with the screw. Do not over tighten. Pop in the chrome cap.
Aqualisa recommends the Midas shower valve series be calibrated up to a max temperature of 46‚ĄÉ or 114.8‚ĄČ. Use a digital thermometer to measure the shower water temperature as you calibrate the Aqualisa 518114.
Switch the shower on. The hot water system must be at a normal max temperature.
Rotate the temperature control handle until the override button is at 12:00.
Detach the temperature handle and the stop ring. Please do not forget the exact position of the stop ring before removing it. You can take a picture of it as a reference.
Open the shower. Use the thermometer to gauge the shower temperature.
‚Äď Turn the Aqualisa thermostatic cartridge splines anticlockwise for hotter temperature.
‚Äď Turn the splines clockwise for colder temperature.
Close the shower and begin rebuilding the handle.
Return the stop ring. The stop must be at the same spot where it was before it was removed in step 3.
Push the handle‚Äôs temperature override button as you set it on top of the 518114 Aqualisa thermostatic cartridge splines at a 12:00 position. Make sure the splines do not shift. Screw the handle tight, but do not over tighten. Restore the indice (Midas 100) or the chrome cover cap (Midas 200 and 300).
Fast UK Delivery
Delivery of this item is priced as a 'small' packet. UK delivery costs £2.95. For more information about international deliveries, read our delivery page.
Di Vapor holds a large stock of spare parts. For all in-stock spare parts the typical UK delivery timescale is 2-5 working days. If you need a part urgently then we can provide a next-day (delivered Mon-Fri) UK delivery service for all in-stock parts ordered before 4pm, Monday - Friday.Next day delivery is available to select at an additional charge during the checkout.
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