Submittal Sheet

ManualsBrandsNoritz ManualsPlumbing40 Gal. Tank Replacement Natural Gas High Efficiency Indoor Tankless Water Heater w/ 12-Year Warranty and Wi-Fi Capable

Model NRC663-FSV (EZTR40) Series

Residential Condensing Tankless Water Heater

Specification Sheet

NORITZ AMERICA CORPORATION

11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com

NRC663-FSV - ____

Isolation Valves (#IK-WV-200-1(-LF))*

Condensate Neutralizer (#NC-1)

Vent Kit (#N-FlexKit2”-35)*

*Included In Box with EZTR40

Remote Controller (#RC-7651M)

Remote Controller Cord (#RC-CORD10)

Remote Controller Cord (#RC-CORD26)

LOW-LEAD

NRC663-FSV

• Standard Input- Gas consumption ranges from 15,000 BTUh to 120,000 BTUh

• Capacity Range- Flow rates from 0.5 GPM up to 6.6 GPM

• Compact Design- ANSI Z21.10.3/CSA 4.3 certified design for indoor

wall-mounting

• Durable Steel Casing with Polyester Coating

• Venting Options- Indoor venting only. N-Flex Kit (included) is designed for the

installation inside of B-Vent as a sleeve.

• Direct Electronic Ignition

• Energy Factor- 0.91(NG) 0.91(LP)

• Temperature Controls- Includes built in display that can preset the output

temperature to either 120°F, 135°F, or 140°F

• Power Cord Installation Kit- 6’ power cord is included and attached

• Safety Devices- Flame Sensor, Overheat Prevention Device, Lighting Protection

Device, Freeze Protection, Condensate Overfill, Fan Rotation Detector

• Additional Features - Temperature Lockout, High Elevation Adjustment

• 12-Year* Limited Heat Exchanger Warranty for Standard Residential Use

• 5-Year Limited Parts Warranty

• Gas Line- Use new or existing 1/2” gas line. For supply gas pressure <8” W.C. use

gas line up to 10’, for supply pressure >= 8” W.C. use gas line up to 100’.

• Approvals- CSA, UPC**, NSF, Low NOx Approved by SCAQMD [<14 ng/J or

20ppm]

* 12 Years replacement on the heat exchanger when the product is used in a single family dwelling. 3 Years replacement on heat exchanger when the product is used for

commercial capacity, if it is used in other than a single family dwelling, or if the product is supplied with pre-heated or circulated water (an aquastat being the minimum

pump control requirement). Refer to the Noritz Limited Warranty for complete coverage details.

** This product complies with California AB 1953 Low Lead Law and Section 1417(d) of the Safe Drinking Water Act.

Summary of content (2 pages)

PAGE 1
Model NRC663-FSV (EZTR40) Series Residential Condensing Tankless Water Heater Specification Sheet • Standard Input- Gas consumption ranges from 15,000 BTUh to 120,000 BTUh • Capacity Range- Flow rates from 0.5 GPM up to 6.6 GPM • Compact Design- ANSI Z21.10.3/CSA 4.3 certified design for indoor wall-mounting • Durable Steel Casing with Polyester Coating • Venting Options- Indoor venting only. N-Flex Kit (included) is designed for the installation inside of B-Vent as a sleeve.
PAGE 2
Dimensions 10.9"(278mm) O.D.Φ3.9"(Φ99.5mm) I.D.Φ2.4"(Φ60.8mm) FLUE COLLAR 9.4"(240mm) 4.7"(120mm) 1.0"(25mm) HOT WATER OUTLET TOP 1.9"(48mm) COLD WATER INLET TOP 2.4"(61mm) CONDENSATE DRAIN BOTTOM 0.8"(20mm) GAS INLET BOTTOM 2.0"(50mm) 27.2"(690mm) 1.5"(38mm) 1.6"(40mm) HEIGHT OF EACH FITTING FROM CASE 18.3"(464mm) 17.7"(450mm) 661 (26.0") 29.1"(740mm) 2.8"(71mm) 4×Φ0.5"(Φ13mm) 6×0.24"×0.4"(6×10mm)OBLONG HOLE 6.7"(170mm) 5.5"(140mm) 0.4"(10mm) 3.9"(100mm) 2.8"(70mm) 1.