What’s the difference between EZ and EZTR?
Wondering what the difference is of our Noritz EZ Series models? EZ98 or EZ111 Are the standalone tankless unit sold...
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EZTR
Knowledgebase for our EZTR Bundles, the EZTR50 and EZTR75
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Is there an EZTR Installation Video?
Watch our EZTR50 EZTR75 installation walkthrough video below -
EZTR – Should I clamp the Flex pipe to the wall or ceiling?
No. The support is done through the Base Junction Support piece. Routing near walls or the ceiling will often lead... -
EZTR – What orientation should I install the Base Junction Support?
The base junction support piece is stamped with an arrow on one side. This end should be inserted up into... -
EZTR – Can I run the flex pipe through or along the wall?
No, the flex pipe must be routed through B-vent. B-ventA class of vent used for natural draft appliances (i.e. tank... -
EZTR – Is the EZTR vent system compatible with a universal vent cap?
The inside diameter of a standard universal vent cap is smaller than a manufacturer specific rain cap. This will result... -
EZTR – Are there any other manufacturer’s parts that I can use instead of the N-flex kit?
No. There are no other approved kits for the unit. You must use the N-flex kit. -
EZTR – The Rain Cap will not enter to the full depth (The Rain Cap is not seating properly). What might be happening?
Make sure that the rain cap, diffuser*2, and diffuser gasket*3 are all properly mounted. If each is confirmed to be... -
EZTR – Where on the flex vent should I be making a cut?
The flex vent should always be cut in the valley of the piping. If your measured distance indicates that it... -
EZTR – Am I required to use the Flex Feeder?
Yes. The Flex Feeder piece (#14 below) should be utilized for every install, even those going directly vertical. While the... -
EZTR – The Flex vent is too long in length. Can I leave it that way?
No. The Flex vent may sag creating a downward section of exhaust flow. During operation, condensate may collect in this... -
EZTR – Can I install the unit if the horizontal distance between the water heater and the existing B-vent is more than 5’?
No. If the horizontal distance is more than 5’, it is possible that the connections become weak and may result... -
EZTR – My vent run is longer than what is provided in the venting kit. Can I extend the vent piping?
No. Due to the nature of the flexible venting, coupling separate vent pieces is not permitted. Additionally, vent runs beyond... -
EZTR – What should I use to cut the Flex vent?
The recommended tool is either a PVC cutter or utility knife. Avoid using a saw or any tool which can... -
EZTR – Am I required to use the Aluminum Flex Sleeve?
Yes. The system is designed to minimize the chances of an exhaust leak by making use of negative pressure inside... -
EZTR – How tight should the clamp holding the flex pipe be?
The flex should be tight enough that it will not move when pulled, but ensure that there is no deformation... -
EZTR – The flex vent was cut too short. What can I do?
The Flex vent cannot be extended in length. You will have to either: Relocate the unit higher on the wall.... -
EZTR – Should I caulk the Top Flex Support or Diffuser Gasket?
No. Do not caulk the support piece as it will not adhere well and may cause debris to enter the... -
EZTR – Can I install a rain cap from a manufacturer different than the original B-vent manufacturer?
No. In most cases, the rain cap will not physically attach. Even if it does seemingly connect, rainwater or condensate... -
EZTR – Can the EZTR be common vented?
No. If the unit is common vented, it may cause severe issues with safe operation including: improper exhaust flow on... -
Installing the EZ Flex Vent
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Installation of the VC-6-1
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Replacing a Circuit Board for Pre-Mix Units
This includes the NRCR, EZ Series and NCC199CDV This guide applies to the NRCR, EZ Series and the NCC199CDV. The... -
Clean or Change the Fan for a Pre-Mix Unit
Video for maintenance on a Pre-Mix Noritz Tankless -
No Roof Kit Installation (NRK-1)
Maximize your ease of installation with the new Noritz No Roof Kit. Our newest accessory is designed to make your...
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