P.O. BOX 17062 CLEARWATER, FL 33762
PH. 1-727-789-5786  FAX 1-727-572-9926
FLORIDA WATER BLAST, INC.
www.floridawaterblast.net
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PUMP RAIL & FLOAT SWITCHES
... Float Switches & Alarms
FLORIDA WATER BLAST, INC.  Clearwater Florida Ph. 1-727-789-5786

Stainless Steel Mercury Narrow Angle
Normally open control duty float switch & normally closed control duty float switch

Single pole -

single throw

10 AMP @

120 VAC narrow

angle mercury

switch

20’

30’

40’

50’

60’

70’

80’

SF-N0-NA

(open)

S/S bulb

$179.35

$198.90

$218.45

$219.30

$257.55

$277.10

$296.65

SF-NC-NA

(closed)

S/S bulb

$179.35

$198.90

$218.45

$219.30

$257.55

$277.10

$296.65

Designed for accurate liquid level control in many applications including chemical wash tanks,
violent applications, high temperatures, or sewage environments. The float switch can be utilized
to signify specific water levels or for direct alarm actuation. Normally open (N/0) as the float rises
1” (5°) above horizontal, the contacts become closed and actuate (turn on) the switch. This float is
generally used in pump down applications. Normally closed (N/C) as the float rises 1” (5°) above
horizontal, the contacts become open and actuate (turn off) the switch. This float is generally used
in pump up applications.The steel encapsulated mercury float switch is designed to operate under
a min/ max temperature of 32-221°F, and have an electrical rating of 10 AMPS @ 120 VAC. The
power cord is a chlorinated polyethylene type S00W-600 Volt on 14/3 for N/0 or N/C switch. The
float is constructed of a Teflon® coated type 316 stainless steel housing. It is tested and proven
to withstand high temperatures and most corrosive chemicals. For use with intrinsically safe circuits.

Single pole -

single throw

13 AMP @

120/ 240 VAC -

wide angle

mercury switch

20’

30’

40’

50’

60’

70’

80’

SF-N0-WA

(open)

S/S bulb

$189.55

$209.10

$228.65

$248.20

$267.75

$287.30

$306.85

SF-NC-WA

(closed)

S/S bulb

$189.55

$209.10

$228.65

$248.20

$267.75

$287.30

$306.85

Stainless Steel Mercury Wide Angle
Normally open pump duty float switch & normally closed pump duty float switch
Designed to sound an audible and illuminate a 360° red beacon light to notify an alarm situation.
Equipped with silence button with automatic reset and individual test button. Includes 15’
mechanical float.
EXT15H OUTDOOR ALARM
Price: $124.10
• NEMA Type 3R rated for outdoor use
• Non-metallic enclosure (6.375” x
   4.375” x 3.000”)
• 85 db alarm buzzer
• 120 VAC electrical rating
• Auxiliary contacts (5 AMP 
max @ 240 VAC)
JB15H OUTDOOR ALARM
Price: $100.30
NEMA Type 4X rated for
outdoor use •
Non-metallic enclosure
(5.500” x 3.750” x 3.750”) •
85 db alarm buzzer •
6’ 120 VAC power cord •
Designed to sound an audible alarm and illuminate a red L.E.D.to notify an alarm situation. Equipped
with green “power on” L.E.D., test button, and horn/ silence switch with auto reset. Includes 15’
mechanical float.
BB15H INDOOR ALARM
Price: $90.10
• NEMA Type 4X rated for outdoor use
• Non-metallic enclosure (5.500” x
   3.3750” x 3.750”)
• 85 db alarm buzzer
• 6’ 120 VAC power cord
Alarm Options
Additional float cord length
(per 5 feet, adjust “15” in part # to designate actual cord length)
Example EXT20H = 20ft float $4.00
Mini-size mercury float instead of mechanical float $5.00
Note: add MF to the end of the part number to specify mercury float
TA15H INDOOR ALARM
Price: $83.30
NEMA Type 1 rated for indoor use •
Metallic enclosure (6.000” x 4.000” x
                                                 2.500”) •
                             85 db alarm buzzer •
                     6’ 120 VAC power cord •
                     External quick connect
                      tab  for float installation•
Stainless Steel Mercury Float Switches

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