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FAQs for Thermostatic Mixer Valves

Q) What is the distance between pipe centres on the bar mixer valve?

A) 150mm

Q) What is the distance between pipe centres on the concentric mixer valve?

A) 155mm

Q) How do I connect the hot and cold water on an inline mixer valve?

A) The Cold is the bottom fitting marked blue – and the hot is top fitting marked red.

Q) Does it matter which way I fit the hot and cold supply to the mixer valve?

A) Yes, it must be fitted the correct way, hot on the left and cold on the right.

Q) What is the maximum height of the vertical rail on a storm/energy or shadow mixer valve?

A) 1450mm

Q) What is the minimum height of the vertical rail on a storm/energy or shadow mixer valve?

A) 900mm

Q) What is the length of the horizontal overhead arm?

A) 490mm

Q) Can I have a drawing with dimensions for the valve?

A) Yes, Visit: 'www.mx-group.com'. Click here.

Q) What is the minimum water pressure my mixer valve will work at?

A) It will work at 0.1 bar but to have a good shower we recommend 0.5 bar.

Q) The valve I have fitted only has hot water coming out of it?

A) Check the water is connected the correct way ie have you got hot going to the left side, marked with a red mark, cold to the right marked with a blue mark?

Q) The water from my shower is cold?

A) Check the power selection setting is on hot, clean the showerhead and filters of any debris, restart the shower on the hot setting and if you still have no hot water contact our customer service department on: 0845 5052211.

Q) Do you sell an easy fit kit for your mixer valves?

A) Yes, contact our customer service department on 0845 5052211.

Q) Will the shower work if I connect cold to mains pressure and hot to gravity?

A) No. You would need to ensure that both hot and cold are at approximately the same pressure to maximise the performance.

Q) Will my valve work with a Combi boiler?

A) Yes.

Q) Will my valve work with an Unvented system?

A) Yes.

Q) Will my valve work with a Pressurised system?

A) Yes.

Q) Will my valve work with a Gravity system?

A) Yes.

Q) Will my valve work with a Pumped system?

A) Yes.

Q) The water from the showerhead is not hot enough?

A) Check the heat settings are correct, check the hot water is reaching temperature from another outlet and check filters are clean and clear from debris.

Q) Can I use mains cold pressure and pumped hot water?

A) You can if the pressures are similar; it is better to use a pump for both so they are on the same pressure.

Q) Why have I got to fill in a form to get a service call?

A) Because we need written agreement to confirm we can visit your property and it outlines the conditions of the service visit which you need to agree to. This can be done by post, fax or email.

Q) Why do I need to provide proof of purchase to arrange a service call?

A) To ensure we know the valve is an MX product and within the warranty period and that valve is covered by the service call agreement.

Q) The valve was registered when purchased, is this sufficient proof of purchase for the service call?

A) Yes, please give us the details of your registration and we will confirm the service call.

Q) Where can I get a spare part for the shower?

A) Telephone our customer service department on 0845 5052211.

Q) What is the minimum hot water temperature my shower will work at?

A) To get a good hot shower your hot water should be more than 55°C.

Q) How do I know which type of valve I have?

A) Every valve has a reference number printed on the body of the valve at the rear.

Q) I have a tank 1 meter above the shower head what will the pressure be?

A) Two answers:
1. 1M head is 0.1Bar
2. 5M head is 0.5 Bar

Q) How do I know the pressure of water in my house?

A) 0.1 Bar per 1 metre head is normal.