Q-8DS Pool and Spa Switches
Supplier: Harwil Corp Part Number Q-8DS
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 Size |
Model Number |
Switch Point On/Off |
Suggested Uses |
Drag 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 |
 |
Reviews & Comments
Be the first to leave a review.
Leave your review
Your review will be reviewed and appear online within one to two business days.
Please add your email address if you would like to be entered in the prize giveaway!
Note that your Job title will be displayed with your review. Your email will NOT be displayed.
Part Number L-21N
LOW COST – HIGH PERFORMANCE Feature Variable Liquid Level Differential PLUS Single Point Pump Up/Pump Down Level Control Component Recognized View Full Product Details >> |
|
|
|
|
advertisement
|