First determine the effective length of the gas supply line by measuring the actual length of piping, and then adding 5 ft. for every elbow or “T” to the actual length. Use the charts below to determine the pipe diameter necessary to accommodate the BTU demand of the unit. If there are more gas drawing appliances on the line, size according to the maximum amount of BTU demand. FOR NATURAL GAS Maximum Capacity of pipe in Cubic Feet of Gas per Hour Follow boxed numbers for piping just one 125 HX f

For assistance or additional information consult a qualified installer, service agency or the gas supplier. Upon completion of the installation, these instructions should be handed to the user of the appliance for future reference. In the Commonwealth of Massachusetts this product must be installed by a licensed plumber or gas fitter. INSTALLATION AND OPERATING INSTRUCTIONS FOR AUTOMATIC INSTANTANEOUS TYPE WATER HEATERS FOR USE WITH NATURAL AND LIQUEFIED PETROLEUM GAS MODEL 38B LP and NG Suitabl

Observe the clearances associated with the class of vent pipe used. FIGURE H Installation - Electrical 1. Route the control cable from the power venter fan along the ceiling or joists down to the gas pressure switch, taking care not to come closer than 6" to the vent pipe or any other potentially hot surface. In many cases, the gas supply piping can be used as a routing path from the ceiling down to the controls, using the supplied nylon ties to secure the cable. 2. Connect the BLUE wire from th

FOR YOUR SAFETY Do not store or use gasoline or other flammable, combustible or corrosive 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 appliance. -Do not touch any electrical switch; do not use any phone in your building. -Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. -If you cannot reach your gas supplier, call the fire department. -Installation and service must be pe

Back 0 inches D. Sides 4 inches (102mm) E. Bottom 12 inches (306 mm) Clearance from vent is dependent upon the clearance rating of the venting material used. For example, type B-a vent is approved for 1 inch clearance. Note: Typically, the minimum clearance to combustible materials should not be less than 6” for single wall flue pipe. Note that this clearance can be reduced if combustible materials are protected as per table VI of the National Fuel Gas Code or if Type B gas vent is used. 6 720 6

Pressure may need to be adjusted for high altitudes, see page 10. This heater is packed securely. The box includes one water connection fitting, a control knob, a gas pressure regulator, a pressure relief valve, an incandescent particle tray, two hooks for hanging the heater, this manual and a warranty registration card. Do not lose this manual as there is a charge for replacement. Please complete and return the enclosed warranty registration card. The FXHOOD horizontal vent terminator is suppli

WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. • If you cannot reach your gas supplier, call the fire department. - Installation and service must be performed by a qualified installer, service agency or the gas supplier. Upon completion of the installation, these instructions should be handed to the us

7. The union end of the flexible connector should be attached to the rear inlet port of the water valve with the supplied washer gasket. No pipe dope or thread tape is to be used at this joint. The .” flexible hot water outlet line is supplied attached to the heater. Be certain there are no loose particles or dirt in the piping. Blow out or flush the lines before connecting to the water heater. Full port valves should be installed on both the cold water supply and hot water outlet lines to facil

B 10.03 AQ-1 Power vent kit Parts included: Spillage Switch Kit 1. 185. F linear spillage switch mounted on an angled bracket and equipped with 36 inch cables connected to one eyelet terminal and one 1/4" quick connect terminal 2. Spillage switch mounting screw 3. Push on male spade connector, replaces eyelet terminal from 36 inch spill switch cable. Vent Hood Kit 1. 4" vent hood: VH1-4 2. Plastic wall anchors (4) 3. Sheet metal screws (4) 4. 5" to 4" vent reducer pipe 5. AQ1FLAPPER back draft a

insufficient water flow volume to activate the burners at their minimum flow requirement 2. dirt in the water flow valve causing the valve to malfunction 3. sediment buildup in faucet aerators or shower heads 4. uneven pressures between cold and hot (with single lever faucets) 5. plumbing cross-overs These water related problems can cause the heater to deliver less than its full output, or to shut down completely. SPECIFIC PROBLEMS AND ANSWERS Note: Problems are stated in upper case, bold face.