fits walls Vent Kit A FOT-203 4 1/3 - 9 1/2 inch (110 - 240 mm) Vent Kit B FOT-204 9 1/2 - 15 3/4 inch (240 - 400 mm) Wall penetration hole: 3 1/2 in (90 mm) Flue extensions are not authorized to be used with the FOT-203 and FOT-204 manifolds. FOT-203 / FOT-204 Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • RHFE-750ETRA VENTING WITH EXTENSIONS Maximum Length = 33 feet (10 m) and 3 elbows Certified and Listed Vent Products

9.8 inch (249 mm) W.C. 10.5 inch (267 mm) W.C. 13 inch (330 mm) W.C. AC 120V, 60 Hz Flex line: 3/8 inch flare nut; ball valve: 1/2 inch female x 3/8 inch flare Flame burners Electronic spark ignition Forced combustion, forced convection Low (L): minimum combustion; High (H): maximum combustion; 60° - 80° F in 2° increments (16° - 26° C in 1° increments) Electronic thermistor Bottom front louvers All parts: 2 years from date of purchase DIMENSIONS - inches (mm) WEIGHT: 154.3 lbs (70 kg) 35 7/16 (

10.5 inch (267 mm) W.C. 13 inch (330 mm) W.C. AC 120V, 60 Hz Flex line: 3/8 inch flare nut; ball valve: 1/2 inch female x 3/8 inch flare Flame burners Electronic spark ignition Forced combustion, forced convection Low (L): minimum combustion; High (H): maximum combustion; 60° - 80° F in 2° increments (16° - 26° C in 1° increments) Electronic thermistor Bottom front louvers All parts: 2 years from date of purchase DIMENSIONS - inches (mm) WEIGHT: 154.3 lbs (70 kg) 35 7/16 (900) 2 15/ 16 (71) 27 9

The RHFE 750 is up to 83%* AFUE efficient through the use of a stainless steel heat exchanger and modulating gas valve with automatic blower. Personalize your look with one of four available fronts. INNOVATIVE TECHNOLOGY AND SAFETY FEATURES • Electronic seven-stage modulating gas valve efficiently uses only the energy necessary to maintain room temperature, while providing seven different flame patterns and heat output • Automatically adjusts the heat output and blower speed, delivering a co

The recommended ‘Heats up to’ capacity for this model is 68m2, however you also have no wall insulation and a house built on stumps. The heat loss total percentage is -15% (-7% + -8% = -15%) which is deducted from the 68m2 (the capacity of your heater) as a % to reduce it to 58m2. This will no longer heat your desired 65m2. The next model up is the Royale Manual Inbuilt with a ‘Heats up to’ capacity of 93m2, less the 15% heat loss = 79m2, which will adequately heat the area. step 1 climate Pictu

2 Safety Information .......... 2 Operating Instructions .... 8 Care and Maintenance ... 9 Installation Instructions ... 10 Parts List ........................ 21 Consumer Support ......... 26 French Version ............... 28 INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS • Do not try to light any