Bulletin 49161June 2015

www.websterfuelpumps.com

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Pressure Adjusting Screw1/8” Allen Head SocketUnder Seal Screw

Pump 1 Running Light

Pump Selector Switch

Fault Light

Pump 2 Running Light

Test Button

Control Circuit Reset

Discharge Port1/2” Pip Thread

Compound Gauge0-30” Hg0-100 PSI

Common Discharge Manifoldwith Integral Check Valves

Return Port1/4” Pipe Thread

Inlet Port1/4” Pipe Thread

1/2” D.4 Mounting Holes

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*OPTIONAL BACK PRESSURE VALVE

*BACK PRESSURE VALVE IS REQUIRED IN OPEN LOOP SYSTEMS

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Control circuits operate on 115 volts. Always connectwhite neutral wire to Terminal 2. Never connect 230volts between Terminal L1 and Terminal 2. Greenground wire from power source should be connectedto one of the panel mounting screws.Important: SPM-135-DA motors are dual voltageand are prewired for 230 volts at factory. To operateon 115 volts, consult motor manufacturer’s instruc-tions accompanying unit for proper wiring. Beforestarting unit, check motor voltage and confirm that115 volt motors are wired to panel as shown in Fig-ure One with Terminal 2 and Terminal L2 Jumperand that 230 volt motors are wired as shown in Fig-ure Two without Terminal 2 and Terminal L2 Jumper.

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Our Standard Duplex Automatic Fuel Oil Transfer Pumps are availablewith the following.

• Flow rates from 15 GPH up to 135 GPH• Discharge pressures from 10-100 psig• 1725 rpm Direct Drive Motors• Two Pump and Motor assemblies• Duplex Automatic Panel with Automatic Switch Over• One Hand-Off-Auto switch• One Lead Lag Pump Switch• Two “Pump On” indicator lights• Duplex panel Test Button• Alarm with Indicator Light• One Reset Circuit Breaker• Two Magnetic Motor Starters with Overload Protection• One Compound Gauge on discharge block• One Discharge connection

MODELS “A” PIPE THD SIZE

SPM-15-( )-DA 14.94 1/4

SPM-30-( )-DA 16.53 1/4

SPM-65-( )-DA 16.90 1/4

SPM-135-DA 21.37 3/8

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NOTES

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NOTES

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Webster. Inc. warrants that Heating Products shall be free from defectsin materials and workmanship for a period of two (2) years from the dateof manufacture, or one (1) year from the date of installation, whichever period expires first. Webster will rebuild or replace, at its option, all Heating Products proven to its satisfaction to be defective within suchwarranty period and returned to the Webster factory, transportationcharges prepaid. Webster’s sole obligation and buyer’s exclusive remedyhereunder is limited to such rebuilding or replacement.

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