YucaLandia
May 9, 2013, 1:28 PM
Post #8 of 14
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Re: [stevebrtx] instant tankless gas hot water heater?
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Hey steve,
Same issue here on Bosch heaters for 3 different sets of friends: Clog easily with sarro (scale), really finicky about having enough water pressure (requiring a stout hydropneumatico to get enough pressure - which causes separate problems with the plumbing that is found in most Mexican homes**), and the Bosch units just have not been reliable under typical Mexican conditions.
**Before chicois8 buys the on-demand water heater in the States, they may want to consider just how reliable their model of heater is with scale build-up, and how much pressure it needs to function. The high pressure needed to operate many US or Canadian tankless heaters is just too much for the oft-cobbled plumbing of Mexican homes - where plumbers use PVC parts that do not fit together, and then they just are daubed with extra glue to get them to seal under gravity fed pressures. Adding a hydropneumatico to one of these systems (to drive the tankless heater) often creates leaks in PVC systems - which is no fun when the leaks occur inside walls and under the floors. Even copper systems here often have poorly soldered joints that hold pressure fine for years with gravity feed, and then sprout leaks when the pressure pump is added.
In contrast: I have installed three Indugas models in three different homes, and all are perking along just fine after 6 years. The Indugas heaters I got work well with low pressures, (even working with gravity-fed systems), and they clean easily with a few gallons of vinegar circulated through them.
steve
Edited to identify the correct OP.
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Read-on MacDuff
E-visit at http://yucalandia.com
(This post was edited by YucaLandia on May 9, 2013, 2:31 PM)
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