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If you can’t identify it or don’t know what it’s called, just ask our Parts Guru. This highly sophisticated tool taps into more than two centuries’ worth of Duff knowledge and expertise. The Parts Guru can save you time and money by helping you identify a part, determine the right replacement or find out how to fix it.
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To contact the Parts Guru, scroll to the bottom. There you can also attach any pictures that may assist the Parts Guru in addressing your inquiry. Here are some examples of questions, problems or issues the Parts Guru has answered, solved or resolved:
To properly size the system, ideally, you can provide us with the number of people residing at the house, how many children live there, whether there are any atypical uses of water (e.g., rain showers or special shower jets, irrigation needs, and so on) or another indication of typical water usage. A recent water bill would work.
From this, we can determine the size of the softener unit needed. To complete the system, we’d need to determine whether the system should be time clock- or meter-initiated, whether your customer desires continuous soft water, the size of the plumbing coming into the dwelling, and a few other considerations. Call our water treatment experts if you have any questions whatsoever.
“Chemical” disinfection often uses a substance such as chlorine, iodine, bromine or ozone; “physical” disinfection treats the water with ultraviolet (UV) light, ultrafiltration or distillation. UV systems expose water to light as just the right wavelength for killing microbes, and may also kill bacteria, viruses, fungi, protozoans and cysts. With UV lights, the light source must be kept clean and the lamp periodically replaced. UV light does not remove gases, heavy metals and particulates. Often a complete water treatment system should include additional filtration such as activated carbon, any of which filter must be maintained or replaced, as the case may be.