Ian LAMBLEY Posted October 14, 2018 Report Share Posted October 14, 2018 can anyone tell me if a thermostatic shower works when using a pump for your water? On my widebeam. Thanks Ian. Link to comment Share on other sites More sharing options...
Alan de Enfield Posted October 14, 2018 Report Share Posted October 14, 2018 (edited) 21 minutes ago, Ian LAMBLEY said: can anyone tell me if a thermostatic shower works when using a pump for your water? On my widebeam. Thanks Ian. I cannot 'comment on' your boat, but it certainly works on ours. Edited October 14, 2018 by Alan de Enfield Link to comment Share on other sites More sharing options...
Boater Sam Posted October 14, 2018 Report Share Posted October 14, 2018 Absolutely no reason why not. Buy a decent one not a cheap thing with plastic innards. Grohe very recommended. Link to comment Share on other sites More sharing options...
rusty69 Posted October 14, 2018 Report Share Posted October 14, 2018 Do these things work on instantaneous gas heaters eg Paloma,or must it be calorifier fed or AN other? Link to comment Share on other sites More sharing options...
Alan de Enfield Posted October 14, 2018 Report Share Posted October 14, 2018 (edited) 4 minutes ago, rusty69 said: Do these things work on instantaneous gas heaters eg Paloma,or must it be calorifier fed or AN other? Ours is on a calorifier, but on a boat a few years ago with a Vaillant boiler the shower feed consisted of a T-Bar with a cold feed at one end, and a hot feed at the other, you adjusted the temp by turning up/down one or other of the taps. I guess just a manual version of what the thermostatic shower does automatically. Hope that answers your question. Edited October 14, 2018 by Alan de Enfield 1 Link to comment Share on other sites More sharing options...
Boater Sam Posted October 14, 2018 Report Share Posted October 14, 2018 They will work on an instantaneous gas heater provided that they pass enough hot water to keep the burner going. The problem with the small heaters like Palomas etc. is that they are not true modulating burners. Its all or nothing. 1 Link to comment Share on other sites More sharing options...
steve hayes Posted October 14, 2018 Report Share Posted October 14, 2018 We have a triton mixer bar and it works just as good as the home shower, fed from a calorifier. Link to comment Share on other sites More sharing options...
blackrose Posted October 14, 2018 Report Share Posted October 14, 2018 (edited) I have a Bristan thermostatic shower mixer on my boat which runs from both calorifier and instant gas water heater. In the 15 years I've been on this boat I've replaced it once and lost count of how many times I've had to service the replacement or replace the innards. 9 times out of 10 the parts supplied by Bristan (often sent FoC under warranty) have been faulty! These things are overly complex crap in my opinion and I'd really rather have a simple manual mixer if I could find one that would fit easily. So whatever you do, don't buy one of these! Edited October 14, 2018 by blackrose Link to comment Share on other sites More sharing options...
dor Posted October 14, 2018 Report Share Posted October 14, 2018 When I fitted out my boat I installed separate hot and cold systems, with a lever ball valve to link them. The idea was to maximise the flow whilst putting less load/wear on the individual pumps. The link was so that one pump could operate the whole system if one pump failed. I also fitted a thermostatic shower. I found that the thermostatic shower mixer was not very successful. As the pressure changed in either the hot or cold depending on when the pumps cut in the thermostat couldn't follow the changes quick enough. I now just operate the system with the link open and only one pump switched on and the thermostatic mixer works perfectly. So to answer the OP, I would say that a thermostatic mixer will be fine. Link to comment Share on other sites More sharing options...
Richard10002 Posted October 14, 2018 Report Share Posted October 14, 2018 Our boat had a manual mixer when we got it and it was impossible to get the temperature either correct or constant. Really f’ing irritating! Changed it to a thermostatic mixer that I happened to have in the car, and it’s worked fine since... either from the 12l tank heated by the gas warm air and water heater, or from the Rinnai gas instant water heater. The latter is obviously better as 12l doesn’t go far when having a shower Link to comment Share on other sites More sharing options...
mrsmelly Posted October 14, 2018 Report Share Posted October 14, 2018 1 minute ago, Richard10002 said: Our boat had a manual mixer when we got it and it was impossible to get the temperature either correct or constant. Really f’ing irritating! Changed it to a thermostatic mixer that I happened to have in the car, and it’s worked fine since... either from the 12l tank heated by the gas warm air and water heater, or from the Rinnai gas instant water heater. The latter is obviously better as 12l doesn’t go far when having a shower It must depend on the make. Our single mixer tap works very precisely without fault every time mixing from the cold tank and cauliflower. I wouldnt have a thermostatic one given. Link to comment Share on other sites More sharing options...
rusty69 Posted October 14, 2018 Report Share Posted October 14, 2018 2 minutes ago, mrsmelly said: It must depend on the make. Our single mixer tap works very precisely without fault every time mixing from the cold tank and cauliflower. I wouldnt have a thermostatic one given. Surely you don't shower smelly. Clues in the name Link to comment Share on other sites More sharing options...
mrsmelly Posted October 14, 2018 Report Share Posted October 14, 2018 Just now, rusty69 said: Surely you don't shower smelly. Clues in the name Every month even if I dont need it. 1 Link to comment Share on other sites More sharing options...
Guest Posted October 14, 2018 Report Share Posted October 14, 2018 2 minutes ago, mrsmelly said: It must depend on the make. Our single mixer tap works very precisely without fault every time mixing from the cold tank and cauliflower. I wouldnt have a thermostatic one given. The single mixer on our boat worked fine too. The only slight issue we had was it would sometimes give a blast of too hot water on first start up then settle back to an even temp. Funny enough the one in our last caravan which looked to be the same make did exactly the same thing. You just had to be ready for it and not step under thee running shower till it settled which only took a matter of seconds. Link to comment Share on other sites More sharing options...
Ian LAMBLEY Posted October 14, 2018 Author Report Share Posted October 14, 2018 Thanks for all your answers very much appreciated. ? Link to comment Share on other sites More sharing options...
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