This question is regarding Triton Pressure Relief Device (PRD) - 82800450

Triton Pressure Relief Device - 82800450

I replaced one of these about 7 weeks ago and that one blew this week. I ordered another which I received and replaced on Tue. I run the shower on low pressure for a while as suggested. Then successfully had a shower. The next morning the PRD blew again only after one shower. The hose and head are fine and the water pressure seemed normal. But on turning on the shower it has been taking longer to reach the desired temp. and the low pressure light is on although the water pressure seems fine.

Thank you for you co-operation.
Asked 12 years ago by Maria

You don’t mention which model you have, however...........

 

The only reason for a PRD blowing is a build up of pressure in the heating tank.

 

You say the hose is fine can you double check this, although the outer part of the hose may look OK the inner part of the hose can collapse this usually happens when the warm water starts to come through the hose.

 

The lack of temperature may be caused by a faulty element in the heating tank (there are two, three in most 10kw showers) you can check them with a multi meter you should have a reading of around 12>18 ohms.

If you have power to the elements and no heat it's probably the elements, no power to the elements then it's probably a micro switch.

 

If you don’t have a multimeter  we sell them at £10 each with a guide on how to use them for checking and testing the various parts of your shower.

 

Apart from helping to fix your shower, they are really useful for checking you have a power supply to appliances, for checking fuses, letting you know much power you have left in batteries

(so you know if they are dud or not)  and lots of other jobs, in short they are well  worth the £10.

 

http://www.showerdoc.com/installation/electrical-products/SKYTRO-600-005-Digital-Multi-Tester

 

Answered 12 years ago by Anonymous

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