Hydrolevel 250 Series User Manual
Typical applications, Warning! 1, Location 2
LOW WATER CUT-OFF
LEVEL INDICATOR
Only qualified personnel may install or service the control
in accordance with local codes and ordinances.
Read instructions completely before proceeding.
WARNING: To prevent electrical shock
and equipment damage, power must
be off during installation or servicing of
the control. To prevent serious burns
the boiler should be thoroughly cooled
before installing or servicing control.
WARNING!
1
Reliable Electronic Design
Made in the U.S.A
No moving parts to stick, wear or hang-up.
No replacement or rebuilding of floats or
mechanical parts.
LISTED
LOCATION
2
Install the Safgard 250 in a
1" equalizing line equipped
with a blow-down valve
meeting applicable state
and local codes. The control
should be located so that
the "LOW WATER CUT-OFF LEVEL marked on the control casting
is at least 1/2 above the lowest permissible water level as specified
by the boiler manufacturer.
Pump Control Low Water
Cut-Off Combination
120 VAC Operating Voltage
Max. Pressure 250 psi
250 Series
1
2
3
5
INCOMING WATER LINE
4
TYPICAL APPLICATIONS
Safgard 727 Tank Control
Safgard VF-120 Solenoid Valve
1
Safgard 250 Pump Controller LWCO Combination
Safgard 270 High Water Limit/Alarm
3
Safgard 550 or 750 as Secondary LWCO
2
4
5
HOW TO INSTALL