What do I use to run the drip line for the condensation T?
Consult with local codes. 3/8″ (1/2″ on DVC) high temperature silicon rubber tubing is recommended.
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What size pump should I use on my recirculation system?
- April 16, 2021
- Luis
Selecting the correct size recirculation pump is a fairly involved process and there is not a “one size fits all” solution. Your entire hot water plumbing system needs to be taken into consideration to make sure the pump is able to create not only enough flow to activate the tankless…
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What is Water Hardness?
- Luis
Water hardness is the measure of dissolved calcium, magnesium, and other minerals in your drinking water. It is typically measured in grains of hardness which equates to 17.1 mg/L of dissolved calcium carbonate. If not treated hard water can cause mineral build-up in your heater. Mineral build-up reduces flow and…
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Hot Water Supply Capacity
- April 15, 2021
- Luis
Hot water supply performance can be found on the specifications sheet for each heater located on our support site as well as the chart below from our latest installer’s guide. Click Here to learn more about the term “Temperature Rise”. Click Here to learn more about sizing a Noritz tankless…
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How much money can I save with a tankless (compared to a storage tank)?
- Luis
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What accessories are available for my Noritz tankless heater ?
- Luis
Please see below (from 2021 product catalog) or download the product catalog HERE A qualified Noritz installer near you can be located HERE
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Can I use the Noritz PVC Concentric Termination vertically through the roof?
- Luis
Both the PVC-2CT and PVC-3CT concentric terminations may be used vertically. The PRC-1 Plastic Rain Cap must be used. Please view the full installation manual on our support site: https://support.noritz.com/technical-literature The previously offered VK3-H-PVC is approved for vertical termination only with installation of the vertical adapter set accessory, part #…
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Can I vent through my chimney?
- Luis
Venting system should not be routed through any other vent, such as an existing masonry or factory-built chimney flue. Vents must be accessible for joint inspection, allow heat dissipation, and cannot exhaust directly into chimney due to back pressure.
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How far should combustible material be spaced from venting?
- Luis
Venting clearance requirements can be found in the installation manual. Visit our Support Site to search for and download the manuals for your unit. ClearanceA set distance required for proper and safe operation of the heater.
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Is a horizontal section required for all vent runs that terminate vertically?
- Luis
A horizontal section of venting is strongly recommended, but if all other options are exhausted and a horizontal section cannot be installed then an angled or vertical section may be used. Please follow all other venting specifications and requirements as detailed in the installation manual.