Q-8DS Pool and Spa Switches

Aug. 13, 2011
Component Recognized
(E85349)
  • Sense low flow independent of pressure or temperature.
  • Turn off power or gas to heater to prevent meltdown.
  • Automatic reset - ready to go as soon as flow is re-established.
  • For direct control of pump motors, heaters, solenoid valves, etc.
  • UL component recognized (E85349)

FLOW SWITCH MODEL Q-8DS

  • SPDT, 1/2 hp, 15 AMP switching capacity @ 115 or 230 VAC standard, 25 amp, 1 HP/120 VAC: 2 HP/230 VAC on special order.
  • Wide operating range - 5 to 80 GPM, Pipe Size 1 1/2? or 2?.
  • Quick, easy, horizontal, vertical or inverted installation in any plastic tee with a 1? NPT side port.

Specifications

Electrical Switch Characteristics

  • SPDT UL and CSA listed
  • 15 amp, 1/2 HP @ 125 or 250 VAC
  • 1/2 amp @ 125 VDC, 1/4 amp @ 250 VDC
  • 5 amp @ 125 VAC (Tungsten lamp load)
  • 10,000,000 operations median
  • FACTORY SET SWITCH POINT (1 1/2? PIPE):Increasing flow 5-20 GPM. Decreasing flow 3-13 GPM.Consult factory for special set points
  • DIFFERENTIAL PRESSURE DROP:1 1/2? to 2? pipe – less than 1.0 psi
  • WORKING LINE PRESSURE: 50 psig max @ 180°F max
  • MAXIMUM TEMPERATURE:180°F continuous
  • WETTED SURFACES: Noryl, 316 and 301 stainless steel, Viton
  • WEIGHT: 1/4 lb.

ELECTRICAL CABLE FITTING: Each unit is supplied with a water resistant strain relief cable fitting as below:

Grommet Size Nominal Cable O.D.
A 0.250
AA 0.300
B 0.375
C 0.500
F Special cover to suit customer supplied 1/2? conduit fitting (e.g. Sealflex, Spiraduct, etc.)

 

Pipe SizeModel NumberSwitch Point On/OffSuggested UsesDrag Strip Shape & Size Increasing Flow (GPM) Decreasing Flow (GPM) 1?Q-8DS / A / 10512
5.0
3.0
Pool Sweep Pump Motor Protection

1-1/2?Q-8DS / A / 10570A
19.0
13.5
1.0-1 1/2 HP Single Speed Pumps
1-1/2?Q-8DS / A / 10502
12.0
9.5
3/4 HP Single Speed Pumps or 1.0-1 1/2 HP Two Speed Pumps

2?Q-8DS / A / 10566

16.5
11.0
1.0-2.0 HP Single Speed Pumps

2?Q-8DS / A / 10593
14.4
10.2
1.0-2.0 HP Two Speed Pumps