AquaStar 125B LPS Specifications

WARNING: Improper installation,adjustment, alteration, service or maintenance can causeinjury or property damage. Refer to this manual. Forassistance

10 6 720 606 601GAS LINE SIZINGThe pressure regulator provided with the heater is adjustedto deliver the proper gas pressure (as indicated on the rati

116 720 606 601FOR NATURAL GASMaximum Capacity of pipe in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 Psig or less and a Pressure drop of 0.3in

12 6 720 606 601Fig.7 - Water valve and water connectors, top viewWATER CONNECTIONSInstall the heater centrally in the building if possible andmake ho

136 720 606 601ELECTRICAL CONNECTIONSWARNING: For safety reasons, disconnect the power supply to the heater before any service or testing is perf

14 6 720 606 601OPERATING INSTRUCTIONSBefore operating the heater, make sure that the system isfilled with water.Open the cold water inlet supply to t

156 720 606 601Fig. 12 - Characteristic Pilot FlameWater Valve (Part # 8707002802): The water valve onthis heater should be serviced periodically. Lu

16 6 720 606 6016. Cross over in water linesTo confirm there is no cross-over in the plumbing, shut offthe cold water supply to the AquaStar water hea

176 720 606 601SPARKS APPEAR AT PILOT WHEN HOT WATER TAP ISTURNED ON, BUT PILOT AND BURNERS WILL NOT IGNITE1. Air in the Gas LineNote: Normally this i

18 6 720 606 601WATER IS TOO HOT1. Temperature Selection too highTurn the temperature adjustment knob counter-clockwise(to the left) to lower the maxi

196 720 606 601Fig. 15 - Diagram of AquaStar 125FX1. Heat exchanger2. Pilot assembly3. Burner manifold gaspressure test nipple4. Main gas burner5. Pil

2 6 720 606 601AquaStar 125FX LP and 125FX NG SpecificationsWater Connection 1/2” Thread fitting NPTH x W x D 29 3/4” x 18 1/4” x 8 3/4"Vent 4”G

20 6 720 606 601Fig. 16 - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST

216 720 606 601Fig. 16INTERIOR COMPONENTS DIAGRAMAND PARTS LIST 125FX1 Cover 8 705 421 7752 Temperature adjustment knob 8 702 000 1113 Temperature adj

22 6 720 606 601Fig. 17 - Flow chart of Aquastar 125 FX

236 720 606 601LIMITED WARRANTYAquastarGeneralAquastar water heaters are warranted by the Manufacturer(BOSCH) through BBT North America. BBT North Ame

Installer Checklist, to be performed by installer upon installationSerial Number ___ ___ ___ ___ ___ ___ ___ ___(8 digit serial number is located on r

36 720 606 601MINIMUM INSTALLATION CLEARANCES FROM COMBUSTIBLE AND NONCOMBUSTIBLE MATERIALS FOR ALCOVE OR CLOSET INSTALLATIONSFRONT VIEW SIDE VIEWAQUA

4 6 720 606 601GENERAL RULES TO FOLLOWFOR SAFE OPERATION1. You should follow these instructions when you install yourheater. In the United States: The

56 720 606 601COMBUSTION AIR REQUIREMENTSThe AquaStar water heater holds cold water in its copperheat exchanger and brass water valve when not in use.

6 6 720 606 601Fig. 3 - Incandescent Particle Tray IllustrationThe incandescent particle tray (shipped loose in the cartonwith the water heater) must

76 720 606 601VENTINGWARNING: Do not reduce the vent pipe size anddo not common vent with any other vented appliance orstove.This appliance must be ve

8 6 720 606 601Fig 4: Some Venting Guide SuggestionsAn approved side wall vent terminal must be used when the water heater is vented through a sidewal

96 720 606 601Fig 5: Side wall exit locations for mechanical draft vent terminalsSOFFITVENT HOOD7’ MINIMUM ABOVEPUBLIC WALKWAYONE FOOTABOVE GRADE3’ AB