120v 1 heating chamber rtex-04 3.5 29a (1x30)a 120 10 awg 0.3 4.8 5-7/8 10-7/8 2-3/4 1/2 npt 4.5 240v* 1 heating chamber rtex-06 5.5 29a (1x30)a 220 10 awg 0.3 4.8 5-7/8 10-7/8 2-3/4 1/2 npt 4.5 rtex-08 8.0 33a (1x40)a 240 8 awg 0.3 4.8 12-5/8 8-1/4 3-5/8 1/2 cf 7
Residential Electric WINaTtEeGrRATEPD rHoOfMeEsCsOiMoFnOaRlT Classic Tankless Water Heaters Professional Classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications Performance Features Applications · On demand, consistent and endless hot water · Compact and stylish with digital temperature control in increments of 1°F ranging from 80°F to 140°F* · 99.8% Energy efficient · Robust copper immersion heating elements with brass top increases durability and are threaded for easy replacement · Simple Installation · Digital temperature display · Whole-Home up to 6 GPM · Water-Saver Shower Head 1.5 GPM · Standard Shower Head 2.0 GPM · Standard Hand Sink 0.5 GPM · Kitchen Sink 1 to 2 GPM · Bath Tub 4 GPM · Dishwasher 1 to 2 GPM · Washing Machine 1 to 1.5 GPM Average Gallons Per Minute (GPM) based on 2010 Plumbing Standards Warranty · External controls to adjust temperature in increments of 1°F* · 5-Year heating chamber and 1-year parts limited warranty See Residential Warranty Certificate for complete information *RTEX-04 and RTEX-06 only show output temperature and are non-thermostatically controlled TEMPERATURE RISE °F MODEL NUMBER 0.5 1.0 1.5 2.0 2.5 3.0 4.0 GPM GPM GPM GPM GPM GPM GPM RTEX-04 48° RTEX-06 75° 37° RTEX-08 55° 36° 27° 22° 18° RTEX-08 (derated 208V performance) 79° 40° 27° 20° RTEX-11 75° 50° 38° 30° 25° RTEX-11 (derated 208V performance) 56° 37° 28° RTEX-13 89° 59° 44° 36° 30° 22° RTEX-13 (derated 208V performance) 69° 46° 34° RTEX-18 + 82° 62° 49° 41° 31° RTEX-18 (derated 208V performance) 90° 60° 45° 36° 30° RTEX-24 + + 82° 66° 55° 41° RTEX-24 (derated 208V performance) + + 60° 48° 40° 30° RTEX-27 + + 92° 74° 62° 46° RTEX-27 (derated 208V performance) + + 68° 55° 45° 34° RTEX-36 + + + 98° 82° 62° RTEX-36 (derated 208V performance) + + 91 73° 61° 45° + Temperature electronically limited setting on adjustable thermostat on front cover 5.0 GPM 25° 33° 24° 37° 27° 49° 36° 6.0 GPM 27° 20° 31° 23° 41° 30° RTEX-04 RTEX-06 RTEX-08 RTEX-11 RTEX-13 RTEX-18 RTEX-24 RTEX-27 RTEX-36 Tested and certified by the Water Quality Association against NSF/ANSI 372 for lead free compliance. See specifications chart on back. RTEX-04, RTEX-06 Unique Features: · External Digital Display shows outlet temperature · D urable Copper Immersion single heating element, field serviceable · S imple Installation 3 Foot electric cable included; Bottom 1/2" NPT water connections RTEX-08, RTEX-11, RTEX-13 Unique Features: · External Adjustable Digital Thermostatic Control with LED display (+/- 1 degree accuracy) · Durable Copper Immersion two heating elements, field serviceable · Simple Installation 3 Foot electric cable and 1/2 NPT adapters included; Side 1/2" compression water connections RTEX-18 Unique Features: · E xternal Digital Thermostatic Control with LED display (+/- 1 degree accuracy) · M ost advanced self-modulation, adjust power to meet hot water demand · D urable Copper Immersion two heating elements, field serviceable · S imple Installation Bottom 3/4" NPT water connections RTEX-24, RTEX-27 Unique Features: · E xternal Digital Thermostatic Control with LED display (+/- 1 degree accuracy) · M ost advanced self-modulation, adjust power to meet hot water demand · D urable Copper Immersion three heating elements, field serviceable · S imple Installation Bottom 3/4" NPT water connections RTEX-36 Unique Features: · E xternal Digital Thermostatic Control with LED display (+/- 1 degree accuracy) · M ost advanced self-modulation, adjust power to meet hot water demand · D urable Copper Immersion four heating elements, field serviceable · S imple Installation Bottom 3/4" NPT water connections IINNTTEEGGRRAATETDE DHOHMOEMCEOCMOFOMRFTO RT Rheem.com PRINTED IN U.S.A. 01/17 WP FORM NO. TKE-101 Residential Electric WINaTtEeGrRATEPD rHoOfMeEsCsOiMoFnOaRlT Classic Tankless Water Heaters Specifications DESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES) MODEL NUMBER 120V 1 HEATING CHAMBER RTEX-04 RECOMMENDED MIN. MAX. SHIP BREAKER RECOMMENDED FLOW FLOW WATER WEIGHT kW AMPS SIZE VOLTAGE WIRE SIZE (CU) (GPM) (GPM) HEIGHT WIDTH DEPTH CONN. (LBS.) 3.5 29A (1x30)A 120 10 AWG 0.3 4.8 5-7/8 10-7/8 2-3/4 1/2 NPT 4.5 240V* 1 HEATING CHAMBER RTEX-06 5.5 29A (1x30)A 220 10 AWG 0.3 4.8 5-7/8 10-7/8 2-3/4 1/2 NPT 4.5 RTEX-08 8.0 33A (1x40)A 240 8 AWG 0.3 4.8 12-5/8 8-1/4 3-5/8 1/2 CF 7 RTEX-08 (derated 208V performance)* 5.8 28A (1x40)A 208 8 AWG 0.3 4.8 12-5/8 8-1/4 3-5/8 1/2 CF 7 RTEX-11 11.0 46A (1x50)A 240 6 AWG 0.3 4.8 12-5/8 8-1/4 3-5/8 1/2 CF 8.5 RTEX-11 (derated 208V performance)* 8.2 29A (1x50)A 208 6 AWG 0.3 4.8 12-5/8 8-1/4 3-5/8 1/2 CF 8.5 RTEX-13 13.0 54A (1x60)A 240 6 AWG 0.3 4.8 12-5/8 8-1/4 3-5/8 1/2 CF 8.5 RTEX-13 (derated 208V performance)* 10.1 49A (1x60)A 208 6 AWG 0.3 4.8 12-5/8 8-1/4 3-5/8 1/2 CF 8.5 240V* 2 HEATING CHAMBERS RTEX-18 18.0 75A (2x40)A 240 8 AWG 0.3 7.0 18-1/4 14-1/2 3-1/2 3/4 NPT 14.78 RTEX-18 (derated 208V performance)* 13.3 64A (2x40)A 208 8 AWG 0.3 7.0 18-1/4 14-1/2 3-1/2 3/4 NPT 14.78 240V* 3 HEATING CHAMBERS RTEX-24 24.0 100A (3x40)A 240 8 AWG 0.3 7.0 18-1/4 17-5/8 3-1/2 3/4 NPT 17.8 RTEX-24 (derated 208V performance)* 17.5 84A (3x40)A 208 8 AWG 0.3 7.0 18-1/4 17-5/8 3-1/2 3/4 NPT 17.8 RTEX-27 27.0 112A (3x40)A 240 8 AWG 0.3 7.0 18-1/4 17-5/8 3-1/2 3/4 NPT 17.8 RTEX-27 (derated 208V performance)* 20.0 96A (3x40)A 208 8 AWG 0.3 7.0 18-1/4 17-5/8 3-1/2 3/4 NPT 17.8 240V* 4 HEATING CHAMBERS RTEX-36 36.0 150A (4x40)A 240 8 AWG 0.3 8.0 18-1/4 21-5/8 3-1/2 3/4 NPT 22.7 RTEX-36 (derated 208V performance)* 26.6 127A (4x40)A 208 8 AWG 0.3 8.0 18-1/4 21-5/8 3-1/2 3/4 NPT 22.7 *240V units can be used on 208V single phase with 25% reduced temperature output. Please note per UL standards the rating plate and installation instructions will all be according to a 240V applied voltage. Check with local officials prior to derating the electrical infrastructure. Product Specifications (all models) Rated Pressure Certifications Std. Temp. Settings Temp. Accuracy Turn-On 25 PSI min., 150 PSI max. ETL Listed to UL 499 and CSA 120°F (Adjustable 80°F-140°F) +/1° at steady state flow 0.3 GPM Suggested Specifications Unit shall have copper clad immersion heating element(s) with brass terminations for increased durability. External temperature control and display adjustable in 1° increments with a range of 80°-140°F. Display shall be capable of displaying setpoint temperature in Celsius or Fahrenheit temperature scales. Unit shall utilize a flow meter with a 0.3 gpm activation point and manage power based on actual flow rate and inlet temperature. Values should be processed 60 times per second. Unit shall be WQA certified lead free, certified to UL499 and CSA22.2. Optional Inline Flow Regulator · Enhanced outlet temperature control · Install on the outlet side of the heater · Limit maximum volume to the specified flow rate to ensure exiting temperature is within an acceptable range · Flow Regulators for ½" and ¾" plumbing connections · Flow range: 1 to 5 gallons per minute RHEEM PART NUMBER RTE10001A RTE10001B GPM RATING OF INSERTS PROVIDED 1.0, 1.5, 2.0 2.0, 3.0, 4.0, 5.0 CONNECTION SIZE 1/2" NPT 3/4" NPT Suggested Sizing Guide COLD CLIMATE (INLET TEMP. 35-45°F) WARM CLIMATE (INLET TEMP. 50-60°F) HOT CLIMATE (INLET TEMP. 65-75°F) RTEX-04 N/A N/A N/A RTEX-06 N/A N/A N/A RTEX-08 RTE10001A RTE10001A RTE10001A RTEX-11 RTE10001A RTE10001A RTE10001A RTEX-13 RTE10001A RTE10001A RTE10001A RTEX-18 RTE10001B RTE10001B RTE10001B RTEX-24 RTE10001B RTE10001B RTE10001B RTEX-27 RTE10001B RTE10001B RTE10001B RTEX-36 RTE10001B RTE10001B RTE10001B Selection based on inlet temperature and an outlet temperature setting of 105°F In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice. Rheem.com Info@rheemus.com · Toll Free 800.374.8806 Manufacturers National Service Department 400 Captain Neville Road, Waterbury, CT 06705 IINNTTEEGGRRAATETDE DHOHMOEMCEOCMOFOMRFTO RT 2 PRINTED IN U.S.A. 01/17 WP FORM NO. TKE-101Adobe InDesign CC 2017 (Macintosh) Adobe PDF Library 15.0