Technical Specifications

Essential
Essential tankless electric water heaters offer continuous hot water
quick and on demand for single point-of-use or multiple applications
RichmondWaterHeaters.com RICHMOND
®
WATER HEATERS
Richmond Water Heaters • 1115 Northmeadow Parkway, Suite 100, Roswell, Georgia 30076
© Rheem Manufacturing Company • 01/18 • FORM NO. T-660 Rev. 2
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 efcient
• 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 Residential Warranty Certicate for complete
information
RMTEX-08
RMTEX-11
RMTEX-13
RMTEX-18
RMTEX-24
RMTEX-27
RMTEX-36
RMTEX-04
RMTEX-06
*RMTEX-04 and RMTEX-06 only show output temperature and are non-thermostatically controlled
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
RMTEX-04 48° – – – – – – – –
RMTEX-06 75° 37° – – – – – – –
RMTEX-08 – 55° 36° 27° 22° 18° – – –
RMTEX-08 (derated 208V performance) 79° 40° 27° 20° – – – – –
RMTEX-11 – 75° 50° 38° 30° 25° – – –
RMTEX-11 (derated 208V performance) – 56° 37° 28° – – – – –
RMTEX-13 – 89° 59° 44° 36° 30° 22° – –
RMTEX-13 (derated 208V performance) – 69° 46° 34° – – – – –
RMTEX-18 – + 82° 62° 49° 41° 31° 25° –
RMTEX-18 (derated 208V performance) – 90° 60° 45° 36° 30° – – –
RMTEX-24 – + + 82° 66° 55° 41° 33° 27°
RMTEX-24 (derated 208V performance) – + + 60° 48° 40° 30° 24° 20°
RMTEX-27 – + + 92° 74° 62° 46° 37° 31°
RMTEX-27 (derated 208V performance) – + + 68° 55° 45° 34° 27° 23°
RMTEX-36 – + + + 98° 82° 62° 49° 41°
RMTEX-36 (derated 208V performance) – + + 91 73° 61° 45° 36° 30°
+ Temperature electronically limited setting on adjustable thermostat on front cover
See specications chart on back.
RMTEX-08, RMTEX-11, RMTEX-13RMTEX-04, RMTEX-06
Unique Features:
• External Adjustable Digital
Thermostatic Control with LED
display (+/- 1 degree accuracy)
• Durable Copper Immersion two
heating elements, eld serviceable
• Simple Installation – 3 Foot electric
cable and 1/2 NPT adapters
included; Side 1/2" compression
water connections
Unique Features:
•
External Digital Display – shows
outlet temperature
• Durable Copper Immersion single
heating element, eld serviceable
• Simple Installation – 3 Foot
electric cable included; Bottom
1/2" NPT water connections
RMTEX-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, eld serviceable
• Simple Installation – Bottom 3/4"
NPT water connections
RMTEX-24, RMTEX-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, eld 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, eld serviceable
• Simple Installation – Bottom 3/4" NPT
water connections
RMTEX-36
Tested and certied by the
Water Quality Association
against NSF/ANSI 372 for
lead free compliance.