Freeze protection may be disabled if electricity or gas is not supplied, or if there is an error preventing the water heater from functioning. NOTE: See SUPPLEMENTAL FREEZE PROTECTION on page 15. Installation Instructions CONNECTING THE WATER HEATER TO THE WATER SUPPLY Water connections to the tankless water heater should follow all state and local plumbing codes. If this is a standard installation, refer to the diagram on the following page under RECOMMENDED PIPING FOR BASIC INSTALLATION.

1/2 psi (14” w.c.) for LP gas. High Altitude Ratings of gas appliances are based For installations above 5,999 feet, please on sea level operation and need not be contact your local distributor or place of changed for installations at elevations purchase for a high altitude model. up to 5,999 feet. 11 Installing the water heater. The water heater must be installed with the factory supplied draft hood in place. Customer Service Troubleshooting Tips Care and Cleaning Operating Instructions Install

(Since some leak test solutions, including soap and water, may cause corrosion or stress cracking, the piping shall be rinsed with water after testing, unless it has been determined that the leak test solution is noncorrosive.) • Always use approved connectors to connect the unit to the gas line. Always purge the gas line of any debris before connection to the water heater. • The gas supply line shall be gas tight, sized and so installed as to provide a supply of gas sufficient to meet the maxim

Hot exhaust and vent may cause serious burns. Keep back from water heater unit. Keep small children and animals away from unit. CAUTION: Hot Water outlet pipes leaving unit can be hot to touch. Insulation must be used for hot water pipes below 36" due to burn risk to children. NOTE: It is recommended to install the bottom of the unit at least 18" off the ground to minimize blockage and maintenance from debris and provide room for the optional Pipe Cover Accessory Model Number AGTPCM. NOTE: Do

The default setting for the appliance is 0-2000 ft (0-610 m) with switches No. 2 and No. 3 in the OFF position. WARNING: Do not adjust the other dip switches unless specifically instructed to do so. If unsure of the altitude in your location, call 1.888.HOTWTER (888.467.9837). 0–2000 ft. 2001–5200 ft. 5201–7700 ft. 7701–10200 ft. (0–610 m) (610–1585 m) (1585–2347 m) (2347–3109 m) Switch No. 2 OFF OFF ON ON Switch No. 3 OFF ON OFF ON O F F 1 2 3 4 5 6 7 8 ON Switch No. O F F 1 2 3 4 5 6 7 8 ON Sw

Failure to follow all guides and rules could cause personal injury or property damage. • Check with your state and/or local public works department for plumbing codes. You must follow their guides as you install the Water Heater. NOTE: Failure to comply with these installation instructions will void the product warranty, and the installer will be responsible for any service, repair or damages caused thereby. BEFORE BEGINNING INSTALLATION Read these instructions completely and carefully. • I

DON’T ¦ DON’T block or restrict Combustion Air Inlet Openings located around the lower portion of the water heater jacket. ¦ DON’T remove the Burner Access Door unless absolutely necessary. This should only be done by a qualified service technician. A new burner access door gasket must be installed on any burner access door that has been removed. ¦ DON’T install this water heater where standing water may occur. The base of the water heater is meant to be mounted on a dry surface. ¦ DON’T operate

be due to thermal expansion in a closed water system. Contact the water supplier This water heater incorporates a or your plumbing contractor on how to combustion shut off device that shuts correct this. DO NOT plug the relief the operation of the water heater down valve outlet. if undesirable combustion conditions occur. A water heater’s tank can act as a setling Such as the presence of flammable vapors basin for solids suspended in the water. It is or blockage of the combustion air inlet there

. . . . . . . . .2, 3 Operating Instructions . . . . .4–11 Care and Cleaning . . . . . . . . .12, 13 Installation Instructions . . .14–18 Troubleshooting Tips . . . . . .19, 20 Consumer Support . . . . . . . . .22, 68 Write the model and serial numbers here: Model # ________________ Serial # ________________ You can find them on the rating label on the front side of your water heater. Owner’s Manual & Installation Instructions GEH50DNSRSA GEH50DXSRGA Chauffe-eau residentiel hybride electrique Ma

Service Clearance 1.5” L Water Connections Temperature & Pressure Safety Valve Electrical Connections Recommend 7” Min. Service Clearance Washable Filter T ~r 14” Min CAPACITY Capacity (aallons) 50 First Hour Delivery (aallons) 63 Estimate Yearly Operation Cost (@ $0.10/KWh) $198 in Hybrid Mode FEATURES Fuel Type Electric Electronic Controls with LCD Display Intearated 20 Character x 4 Line LCD Display Yes Backlit LCD Display Yes Multiple Operating Modes eHeat™ Hybri