Aquastar 125B NGL User Manual

WARNING: Improper installation,adjustment, alteration, service or maintenance cancause injury or property damage. Refer to this manual.For assistance

10Fig. 7 - Pressure Relief ValveConnecting the pressure relief valve (PRV)A listed pressure relief valve supplied with the heater mustbe installed at

11To clean the pilot burner and/ or the pilot orifice : Turnoff the gas at the unit. Remove the cover of the heater. Todo so, remove incandescent part

12C. Gas regulator may be shut or damaged.2. In-line AquaStar gas regulator jammed (usually onLP gas)Replace or unlock the regulator. Note: The regula

13WATER IS TOO HOT1. Gas flow is higher than necessary.Move gas control slide to the left.2. Temperature (aquastat) control is set too highIf unit is

14HOT WATER TEMPERATURE FLUCTUATES1. Cold water is mixing with the hot water betweenthe AquaStar and the outlet (if not being used witha circulator pu

15Fig. 10 - Diagram of AquaStar 125 BL 2 4 6 7 15810 1. Heat exchanger 2. Pilot assembly 3. Burner manifold gaspressure test nipple 4. Pilot ga

16Fig. 11 - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST

17Fig. 11INTERIOR COMPONENTS DIAGRAMAND PARTS LIST 125BL1 Cover ¤ 8 705 421 0312 Cap cover ¤ 8 703 304 0113 Water connection gasket ¤ 8 710 103 043

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2This well engineered, gas water heater has beenspecially designed to operate as a circulating waterheater.FEATURES- High Quality Materials for Long W

Replacement Parts available from North AmericanDistributorCONTROLLED ENERGY CORP.340 Mad River ParkWaitsfield, Vermont 05673Phone 800-642-3111Fax (802

3D861_059MINIMUM INSTALLATION CLEARANCES FROM COMBUSTIBLE AND NONCOMBUSTIBLE MATERIALS FOR ALCOVE OR CLOSET INSTALLATIONSFRONT VIEW SIDE VIEWAQUASTAR

4If you are using the AquaStar for combined space heating and potable water heating (seeschematic diagram below), all piping and other components conn

57. Correct gas pressure is critical for the optimumoperation of this heater (see specifications on page 2). Gaspiping must be sized to provide the re

6dilution of flue gases.Appliances located in confined spaces:The confined space must be provided with two permanentopenings, one commencing within 12

7Fig. 3 - Vent Adaptor for High Altitude CanadianInstallationsWARNING: Failure TO INCREASE THE VENT SIZETO SIX INCHES AND/or assure that the manifold

8GAS PIPING, CONNECTIONS and Gas RegulatorBefore connecting the gas supply, check the rating plate on the right side of the front cover to be sure tha

9THREADED ASSEMBLYSWEATED ASSEMBLY1/2” FLEXPIPE PRV TOAPPROPRIATEDISCHARGES FITTINGPIPE PRV TOAPPROPRIATEDISCHARGE1/2” FLEXFig. 6-Plumbing connections