Rheem Manufacturing Company
User Guide for Rheem models including: RTGH-68DVLN-3 Residential Gas Tankless Water Heaters, RTGH-68DVLN-3, Residential Gas Tankless Water Heaters, Gas Tankless Water Heaters, Water Heaters, Heaters
6 apr 2024 — Easy Installation. • PVC Vent runs up to 60' (2"), 150' (3"). • Enhanced design is up to 20% smaller and lighter making one-person installs even easier.
File Info : application/pdf, 2 Pages, 1.19MB
DocumentDocumentWater Residential Gas RTGH Series Tankless Water Heaters Rheem® RTGH Series Super High Efficiency Condensing Tankless Gas Water Heaters Easy Installation · PVC Vent runs up to 60' (2"), 150' (3") · Enhanced design is up to 20% smaller and lighter making one-person installs even easier Ready for Retrofits · Industry Best! 1/2" side to side clearance allows you to safely work in spaces the competition can't · 1/2" Gas line compatibility up to 24 ft (subject to local code) Key Features · Rheem® Exclusive! Hot-start ProgrammingTM ensures the unit is in a ready state between back-to-back usage, minimizing any cold water bursts · Built-in EcoNet® Wi-Fi technology for direct control from your device (on select models) · LeakGuard® All-inclusive leak detection and prevention system that detects any leak that comes from the unit (on indoor Wi-Fi models) Specifications Rheem Model Number RTGH-68DVLN-3 RTGH-84DVLN-3 RTGH-90DVLN-3 RTGH-95DVLN-3 RTGH-95DVELN-3 Built-in LeakGuardTM Model Number Gas Input Rate MAX MIN 120,000 BTU/h 11,000 BTU/h 157,000 BTU/h 11,000 BTU/h 180,000 BTU/h 11,000 BTU/h RTGH-95DVELN-3 (Wi-Fi Model) 199,900 BTU/h 11,000 BTU/h Uniform Energy Factor (UEF) 0.90 0.93 Hot Water MAX (35°F) 6.6 8.4 9.0 9.5 Flow Rate Capacity 45°F Rise 5.1 6.7 7.7 8.5 Gallons Per Minute (GPM) 67°F Rise 3.4 4.6 5.2 5.7 Number of Bathrooms1 2.5 3 3 - 4 4 Temp. Range 100°F - 140°F Temp. Setting from Factory 120°F High Temp. Upgrade Available Freeze Protection No -30°F Air Intake2, -4°F Ambient Installation Type Heat Exchanger Material Indoor (Outdoor Conversion Kit sold separately: RTGH-X) Primary: Copper Secondary: Stainless Steel Minimum Activation Flow 0.4 GPM Minimum Continuous Flow 0.26 GPM Maximum Altitude 7,800 ft. Ultra Low NOx Warranty Height Meets 14 ng/J NOx requirements - SCAQMD Rule 1146.2 compliant 15 year Heat Exchanger | 5-Year Parts | 1-Year Labor 23.7" Width 17.7" Depth 9.8" Weight (Lbs.) 52.9 Venting Diam. Allowed 2" / 3" Max. Single Vent Run (straight pipe) Venting Materials 60 ft (2") / 150 ft (3") Sched. 40 PVC, CPVC, Polypropylene Manifold Controls (max. units) Controls 6 Units3 Built-in digital display Power Supply 120V 60Hz Max. Power Consumption 85W (Normal use), 0.7 Amps 132W (Antifreeze), 1.1 Amps 3.5W (Standby), 0.03 Amps4 Gas Connection 3/4" NPT Hot Water Connection 3/4" NPT Cold Water Connection 3/4" NPT Condensate Connection Vent Connections Diameter 1/2" NPT 2" Band Connections (Adapter required to vent with 3" PVC from unit) All models are available in Natural Gas or Propane (LP). For Propane replace the N with P for LP model. RTGH Series Models Indoor Models (Outdoor Conversion Kit Available: RTGH-X) 11,000-199,900 BTU/h Natural Gas and Liquid Propane Models* *Swap P for N in model number for Liquid Propane model Clearances Top / Bottom Front Sides Back / From Vent Pipe 12" 1/2"5 1/2" 0" 1 Based on simultaneous showers using 2.0 GPM flow rate pre-mixed with cold water line. Flow rates vary depending on temperature of incoming cold water and water heater set temperature. Refer to 9 zone ground water temperature map for accurate sizing. 2 For indoor application, this is the temperature of outdoor intake air. 3 Manifolds with standard RJ11 communication cables. 4 If anti freeze is on and combustion is on, total W will be 217W (85+132). 5 Recommended 24" clearance for service. 10/23 FORM NO. TK-RTGH SERIES REV. 1 Water Residential Gas RTGH Series Tankless Water Heaters US Ground Water Temperature Zone Map Average Flow Rates (GPM) by Application CAN AK HI PR Low Flow Faucet 0.5 Bathroom Faucet 1 Kitchen Faucet 1.5 Shower 2 Dishwasher 2 Washing Machine 3 Flow rates may vary. Flow Rate Capacity Table by Zone (Gallons Per Minute - GPM) Use the U.S. Ground Water Temperature Map to locate your zone. Then use the Flow Rate Capacity Table to determine model flow rate by zone. Flow rates calculated for tankless set temperature of 120°F with a mixed shower temperature of 105°F. Ground water temperatures vary seasonally. MODEL # RTGH-95 RTGH-90 RTGH-84 RTGH-68 Zone 1 37°F 4.6 4.2 3.6 2.8 Zone 2 42°F 4.9 4.4 3.9 3.0 Zone 3 47°F 5.3 4.7 4.1 3.2 Zone 4 52°F 5.6 5.1 4.4 3.4 Zone 5 57°F 6.1 5.5 4.8 3.7 Zone 6 62°F 6.6 6.0 5.2 4.0 Zone 7 67°F 7.2 6.5 5.7 4.3 Zone 8 72°F 8.0 7.2 6.3 4.8 Zone 9 77°F 8.9 8.0 7.0 5.4 Venting SINGLE UNIT: MAX. EQUIVALENT VENT LENGTHS - STRAIGHT PIPE Number of 90 Elbows 0 1 2 3 4 5 6 Max Length 2" straight pipe 60 ft. (18.3 m) 54 ft. (16.5 m) 48 ft. (14.6 m) 42 ft. (12.8 m) 36 ft. (11.0 m) 30 ft. (9.1 m) 24 ft. (7.3 m) Max. length 3" straight pipe 150 ft. (45.7 m) 144 ft. (43.9 m) 138 ft. (42.7 m) 132 ft. (40.2 m) 126 ft. (38.4 m) 120 ft. (36.6 m) 114 ft. (34.7 m) Equivalent Ft. of Elbows 90° Elbow 45° Elbow 2" Pipe 6 ft (1.83 m) 3 ft. (0.9 m) 3" Pipe 6 ft (1.83 m) 3 ft. (0.9 m) Venting Materials Allowed: Schedule 40 PVC, CPVC, Polypropylene Min. Vent Length Straight Pipe Number of 90° Elbows 1 Min. Length 2" 3" pipe 1.0 ft (0.3 m) Hanging bracket and bird screens are included with water heater. Parts & Accessories Condensate Neutralizer RTG20329AR (optional) Recirculation Pump AP17920 Pipe Cover RTG20329AT Horizontal Vent Termination 2" US: SP20285 3" US: SP20286 Concentric Vent Termination 2" - SP20897 3" - SP20245 AllClear® Water Treatment System RTG20251 Isolation Valve Kit RTG20326 Dimensions TOP VIEW Needs Updating BOTTOM VIEW Manifold Cables RCPN-AMP030013111101-0003 (48") Outdoor Conversion Kit RTGH-X In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice. Rheem Water Heating · 1115 Northmeadow Parkway, Suite 100 Roswell, Georgia 30076 · www.rheem.com Rheem Canada Ltd./Ltée · 125 Edgeware Road, Unit 1 Brampton, Ontario L6Y 0P5 · www.rheem.com 2 10/23 FORM NO. TK-RTGH SERIES REV. 1