My Hansgrohe shower panel has much lower water pressure than it used to. I'm guessing I need to clean the thermostat cartridge, but I'm not sure how to remove it. The actual brand is the Hansgrohe DP Prestige Sensotronic 26 131. Any advice?
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Re: loss of pressure in Hansgrohe shower panel
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If you are using water in another part of the house most times the pressure at the bathroom shower will go low. For instance if some one in the kitchen draws water in the kitchen sink this will make the shower water even turn cooler because of low pressure. Flushing the toilet will also do the same.
Most houses are plumbed with half inch water pipe and would work a lot better if it was three quarter inch to give more water pressure.
that must be because the water pressure coming out of the hansgrohe has loosen the area that holds hose. If its not a problem you can change what holds the hose for a newer one so that the hose is tighter
First thing to check is the filter screen at the hose connection on the hand shower. If this screen is clean and there is no debris in the flow restriction device inside the handle end you will most likely need to clean the hand shower spray face. You can remove the unit from the hose and soak the spray face in CLR. Follow the instructions on the container for use and dilution. Soak for no more than 10 minutes at a time. After soaking, rinse the unit well and reconnect to the water source. Run water through it and while running rub the rubber spray channels to further clear up any deposits. Repeat the soaking and cleaning process at least two more times to clear out all deposits that may be limiting your performance. If you need more help feel free to contact me at Hansgrohe. 1-800-334-0455. Press 2 for tech and ask for David Scarborough. I'd be happy to help.
This is most likely debris in the filter screens on the thermostat cartridge or the thermostat cartridge has worn out. Cleaning the filter screens may resolve the issue. If cleaning the filter screens does not resolve you may need to purchase a new thermostat cartridge. If you need further information feel free to contact me at Hansgrohe. 1-800-334-0455. Press 2 for tech and ask for David Scarborough. I'd be happy to help.
Hansgrohe hand showers have filtration sometimes on the inlet side of the hand shower. You must unscrew the smooth conical nut from the handshower to expose the filter and the flow restrictor. If your hand shower is not equipped with a filter gasket, you should use one to protect your hand shower from the particulate.
Filter gaskets can be used at your body sprays and shower head as well if you have them. If you have a Hansgrohe thermostatic valve you don't need the little filter screens, because the valve is filtering the water good enough. We do not recommend opening your handshower for cleaning. There would be a strong chance you may not get it together again, or it may become damaged.
If your concern is with a buildup of lime on the spray faces, you can use a decalcifying agent to dissolve the deposits, but do not soak for more than 10 minutes and then rinse well with clear water.
Phil Heslep Hansgrohe Technical Support North America
Your shower has been installed for a while and you are noticing the dial must be turned further and further to the hotter settings to get a normal shower - In this case the filter on the hot inlet is getting clogged with debris. Refer to the cleaning instructions in the manual that came with your shower, or contact Hansgrohe USA by calling 800-334-0455 for the documents.
If your installation is brand new or old, debris on the filter is the number one cause of this problem. You can test it by noticing if there is a drop in pressure when you dial to a hot setting as opposed to the cold setting. The drop in pressure indicates dirt on the filter where water has a tougher time getting through.
Filters on a shower valve may seem strange to US consumers. Your old two handle valve system woul run for years without needing servicing. Now you have filters to deal with. These filters, like any filter need to be cleaned periodically and the frequency depends on the quality of your water supply system.
The real benifit, is that the filters protect your smart valve and the shower head from malfunctioning due to debris.
do you by any chance have hard water? Calcium or lime buildup around around the spray holes will restrict the openings and result in higher pressure/lower volume streams. A good soaking in CLR should clear up this problem.
Remove the handle by loosening the screw near the bottom. You should see a plastic ring, probably green, that is the hot water safety. Adjust it so that the handle will turn further for more hot water. It most likely pulls out, then turn it left, reinsert and reattach the handle.