Bosch Appliances 125X LP Gas pressure is too low, See page 2 and 7 for correct specifications

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2.Cold water is mixing with the hot water between the AquaStar and the outlet

See #4 under “NO SPARK AT THE PILOT”.

3.Inlet water pressure is erratic due to inadequate supply water pressure or saturated pressure tank on well system

Check the inlet water pressure. On a private well, raise minimum pressure setting to 30 psi. Confirm that the pressure tank is not water logged.

4.Gas pressure is too low

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	11
1.	Heat exchanger	7.	Electronic control box
2.	Pilot assembly	8.	Battery box
3.	Burner manifold gas	9.	on/off switch
	pressure test nipple	10.	Temperature adjustment selector
4.	Main gas burner	11.	Microswitch	12
5.	Pilot gas tubing	12.	Gas inlet gas pressure test nipple
6.	Gas valve	13.	LED

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Contents Table of Contents For Your SafetyWhat to do if YOU Smell GAS AquaStar 125X LP and 125X NG Specifications FeaturesUnpacking the Aquastar Heater Principle of OperationAquastar Model Where IT could Freeze Proper Location for Installing Your HeaterGeneral Rules to Follow For Safe Operation Combustion AIR Requirements Mounting InstallationClearances To check the draft VentingGAS Line Sizing Maximum Inlet GAS Flow Pressure SettingAltitude Natural Gas Liquid Propane Water Connections For Your Safety Read Before Operating Your HOT Water HeaterOperating Instructions Lighting and Operating Instructions Setting the Water TemperatureTo Turn OFF GAS to Appliance Review Maintenance Table on the Back of this Manual Maintenance and ServiceDo not enlarge the orifice IntroductionNo Spark AT the Pilot Pilot Sparks Continuously with no Water Running HOT Water Temperature Fluctuates / Unit DeactivatedPilot Lights but Burners will not Come on Water is TOO HOTGas pressure is too low See page 2 and 7 for correct specificationsInterior Components Diagram and Parts List Interior Components Diagram Parts List Controlled Energy Corp Installation Checklist Model GAS Line Size