INSTRUCTION MANUAL
DN0162
REVISION F

Hoffman Specialty®
Vented Boiler Feed Units
Series HBF and VBF

Series HBF Model 50VBF-D
Duplex, 50 gallon receiver

Series VBF, Model 50VBF-S
Simplex, 50 gallon receiver

INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.
SAFETY
INSTRUCTIONS
This safety alert symbol will be used in this manual and on
the unit safety instruction decals to draw attention to safety
related instructions. When used, the safety alert symbol
means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS
MAY RESULT IN A SAFETY HAZARD.

DO NOT PRESSURIZE TANK.
ISOLATE TANK DURING LEAK TEST.
DO NOT RESTRICT VENT.
DO NOT PLUG OVERFLOW.
OPEN INLET VALVES SLOWLY.
DO NOT USE AS A FLASH TANK.

EXPLOSIBLE

FAILURE TO FOLLOW
INSTRUCTIONS COULD RESULT
IN SERIOUS INJURY OR DEATH.

(2) All Units
DN0483 (Small) - DN0484 (Large)

WARNING

HOFFMAN SPECIALTY
SERIES

HV

®

TM

MODEL
SERIAL
GPM

PSI

PUMP

CFM

IN HG.

PUMP

DWGS

EXPLOSIBLE
ISOLATE TANK
DURING LEAK TEST

(2) All Units
DN0485 (Small)
DN0486 (Large)

POWER V.

PH.

HZ 60

CONTROL V.

PH. 1

CAUTION
DO NOT RUN PUMP DRY,
SEAL DAMAGE MAY OCCUR.
INSPECT PUMP SEAL
REGULARLY FOR LEAKS,
REPLACE AS REQUIRED.
FOR LUBRICATION
REQUIREMENTS, CONSULT
SERVICE INSTRUCTIONS.
FAILURE TO FOLLOW
INSTRUCTIONS COULD
RESULT IN INJURY OR
PROPERTY DAMAGE.
P70644

HZ 60

TOTAL
F.L. AMP
DN0016

WARNING

If the decals as noted below are missing or are illegible contact your local B&G representative for a replacement.
1. Electrical connections to be made by qualified Electrician in
accordance with all National, State and Local codes.
2. If pump, motor or piping are operating at extremely high or
low temperatures, guarding or insulation is required.
3. Operating personnel should be trained in the operation of
pumps and associated systems (condensate, boiler feed
units).

LARGEST MOTOR
F.L. AMP

Morton Grove, Illinois 60053

DN0116 Units with Panel

P70644 All Units