HomeMy WebLinkAboutTankless water heater, Rheem Tankless WH12/16 FORM NO. THD-PTE
PERFORMANCE™ tankless electric water heaters
offer continuous hot water quick and on demand
for single point-of-use or multiple applications
Performance Features 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 External controls to adjust
temperature in increments of 1°F*
Applications 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 5-Year heating chamber and 1-year
parts limited warranty
See written warranty for complete details
See specifications chart on next page.
RETEX-08
RETEX-11
RETEX-13
RETEX-18
RETEX-24
RETEX-27
RETEX-36
RETEX-04
RETEX-06
MODEL NUMBER
TEMPERATURE RISE °F
0.5 GPM 1.0 GPM 1.5 GPM 2.0 GPM 2.5 GPM 3.0 GPM 4.0 GPM 5.0 GPM 6.0 GPM
RETEX-04 48°––––––––
RETEX-06 75°37°–––––––
RETEX-08 –55°36°27°22°18°–––
RETEX-08 (derated 208V performance)79°40°27°20°–––––
RETEX-11 –75°50°38°30°25°–––
RETEX-11 (derated 208V performance)–56°37°28°–––––
RETEX-13 –89°59°44°36°30°22°––
RETEX-13 (derated 208V performance)–69°46°34°–––––
RETEX-18 –+82°62°49°41°31°25°–
RETEX-18 (derated 208V performance)–90°60°45°36°30°–––
RETEX-24 –++82°66°55°41°33°27°
RETEX-24 (derated 208V performance)–++60°48°40°30°24°20°
RETEX-27 –++92°74°62°46°37°31°
RETEX-27 (derated 208V performance)–++68°55°45°34°27°23°
RETEX-36 –+++98°82°62°49°41°
RETEX-36 (derated 208V performance)–++91 73°61°45°36°30°
+ Temperature electronically limited setting on adjustable thermostat on front cover
*RETEX-04 and RETEX-06 only show output temperature and are non-thermostatically controlled
Tested and certified by the
Water Quality Association
against NSF/ANSI 372 for
lead free compliance.
Tankless Electric Specifications
12/16 FORM NO. THD-PTE
DESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES)
MODEL NUMBER
kW
AMPS
RECOMMENDED
BREAKER
SIZE VOLTAGE
RECOMMENDED
WIRE SIZE (CU)
MIN.
FLOW
(GPM)
MAX.
FLOW
(GPM)HEIGHT WIDTH DEPTH
WATER
CONN.
SHIP
WEIGHT
(LBS.)
120V 1 HEATING CHAMBER
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
RETEX-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
2
RETEX-08, RETEX-11
RETEX-13
RETEX-04, RETEX-06
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
included; Side 1/2"
compression water
connections
Unique Features:
• External Digital
Display – shows outlet
temperature
• Durable Copper
Immersion single
heating element, field
serviceable
• Simple Installation –
3 Foot electric cable
included; Bottom 1/2"
NPT water connections
RETEX-18
Unique Features:
• External Digital
Thermostatic Control with
LED display (+/- 1 degree
accuracy)
• Most advanced self-
modulation, adjust power
to meet hot water demand
• Durable Copper
Immersion two heating
elements, field serviceable
• Simple Installation –
Bottom 3/4" NPT water
connections
RETEX-24, RETEX-27
Unique Features:
• External Digital
Thermostatic Control with
LED display (+/- 1 degree
accuracy)
• Most advanced self-
modulation, adjust power
to meet hot water demand
• Durable Copper
Immersion three heating
elements, field serviceable
• Simple Installation –
Bottom 3/4" NPT water
connections
Unique Features:
• External Digital
Thermostatic Control with
LED display (+/- 1 degree
accuracy)
• Most advanced self-
modulation, adjust power
to meet hot water demand
• Durable Copper
Immersion four heating
elements, field serviceable
• Simple Installation –
Bottom 3/4" NPT water
connections
RETEX-36
* 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.
PERFORMANCE™ tankless electric water heaters
12/16 FORM NO. THD-PTE
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.
Rheem Water Heating • 101 Bell Road
Montgomery, Alabama 36117-4305 • www.rheem.com 3
Rated Pressure 25 PSI min., 150 PSI max.
Certifications ETL Listed to UL 499 and CSA
Std. Temp. Settings 120°F (Adjustable 80°F-140°F)
Temp. Accuracy +/–1° at steady state flow
Turn-On 0.3 GPM
Product
Specifications
(all models)
RHEEM PART
NUMBER
GPM RATING OF
INSERTS PROVIDED
CONNECTION
SIZE
RTE10001A 1.0, 1.5, 2.0 1/2" NPT
RTE10001B 2.0, 3.0, 4.0, 5.0 3/4" NPT
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
Suggested Sizing Guide
COLD CLIMATE
(INLET TEMP.
35-45°F)
WARM CLIMATE
(INLET TEMP.
50-60°F)
HOT CLIMATE
(INLET TEMP.
65-75°F)
RETEX-04 N/A N/A N/A
RETEX-06 N/A N/A N/A
RETEX-08 RTE10001A RTE10001A RTE10001A
RETEX-11 RTE10001A RTE10001A RTE10001A
RETEX-13 RTE10001A RTE10001A RTE10001A
RETEX-18 RTE10001B RTE10001B RTE10001B
RETEX-24 RTE10001B RTE10001B RTE10001B
RETEX-27 RTE10001B RTE10001B RTE10001B
RETEX-36 RTE10001B RTE10001B RTE10001B
Selection based on inlet temperature and an outlet temperature setting of 105°F
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.
PERFORMANCE™ tankless electric water heaters