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Basement Watchdog DFK-961 - 1/3 HP Combination Primary and Backup Sump Pump System
Model: DFK-961
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Product Description
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24Reviews
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13Product Q&A
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Product Description
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Style
GPH
3600
Gallons
Switch Type
Style
Combo
GPH
3600 Gallons
Switch Type
Vertical
Features
Features
- Protect Your Basement from Flooding
- Provides both primary and backup pumping capabilities
- Primary pump will operate as long as it is receiving A/C power
- A/C fails or excessive water into sump than pump can handle
- The backup sump pump will begin pumping automatically
- Exclusive Monitoring System
- Sounds alarm and flashes during failure or required maintenance
- Combination System includes:
- 1/3 HP (BW1033) AC pump (2600 GPH @ 10')
- BW Emergency (BWE) Battery Backup System (1000 GPH @ 10')
- BATTERY SOLD SEPARATELY
- Dual Float Switch
- Both pumps have two redundant floats on each switch
- If one float fails to operate, the second float takes over
- Detailed installation instructions complete with pictures
- Already assembled for easy installation
- Compact footprint fits in any size sump pit
- Overall dimensions - 10”W x 17-3/4” H
Specifications
Base
Min Sump Basin Size
10 Inch
Motor
Battery Included
No
Thermal Protection
Yes
Oil Free Motor
Yes
Pump
Housing Material
Cast Iron
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
3600
GPH @ 10 feet
2600
Discharge Port Size
1-1/2 Inch
Built-in check Valve
Yes
Manual Override
No
Backup GPH @ 10 feet
1000
Engine
Horsepower
.33 hp
Overview
Consumer Warranty
2 Years
UPC
717301121821
Style
GPH
3600
Gallons
Switch Type
Style
Combo
GPH
3600 Gallons
Switch Type
Vertical
Features
Features
- Protect Your Basement from Flooding
- Provides both primary and backup pumping capabilities
- Primary pump will operate as long as it is receiving A/C power
- A/C fails or excessive water into sump than pump can handle
- The backup sump pump will begin pumping automatically
- Exclusive Monitoring System
- Sounds alarm and flashes during failure or required maintenance
- Combination System includes:
- 1/3 HP (BW1033) AC pump (2600 GPH @ 10')
- BW Emergency (BWE) Battery Backup System (1000 GPH @ 10')
- BATTERY SOLD SEPARATELY
- Dual Float Switch
- Both pumps have two redundant floats on each switch
- If one float fails to operate, the second float takes over
- Detailed installation instructions complete with pictures
- Already assembled for easy installation
- Compact footprint fits in any size sump pit
- Overall dimensions - 10”W x 17-3/4” H
Specifications
Base
Min Sump Basin Size
10 Inch
Motor
Battery Included
No
Thermal Protection
Yes
Oil Free Motor
Yes
Pump
Housing Material
Cast Iron
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
3600
GPH @ 10 feet
2600
Discharge Port Size
1-1/2 Inch
Built-in check Valve
Yes
Manual Override
No
Backup GPH @ 10 feet
1000
Engine
Horsepower
.33 hp
Overview
Consumer Warranty
2 Years
UPC
717301121821
Product Specs
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Specifications
Base
Min Sump Basin Size
10 Inch
Motor
Battery Included
No
Thermal Protection
Yes
Oil Free Motor
Yes
Pump
Housing Material
Cast Iron
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
3600
GPH @ 10 feet
2600
Discharge Port Size
1-1/2 Inch
Built-in check Valve
Yes
Manual Override
No
Backup GPH @ 10 feet
1000
Engine
Horsepower
.33 hp
Overview
Consumer Warranty
2 Years
UPC
717301121821
Product Q&A
(13)
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Search Product Q&A's
Answered by Jim, the Sump Pump Expert
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I need to know what the width of the product is as I only have a 12-inch hole in my basement floor. If this one does not fit do you have one that will
Barry S.
from Pennsylvania
June 21, 2019
Answer
All information regarding this system is in the PUMP MANUAL Barry. This system is designed to fit in a basin as small as 10" wide and 14" deep.
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Can the primary controller be adjusted to run longer to allow it longer time between cycles?
Sebastian M.
from New Jersey
February 15, 2017
Answer
Unfortunately not, Sebastian. That combo system includes the BWC1 Basement Watchdog Dual Vertical Float Switch & Controller, which contains two large floating rings enclosed within a protective cage. Water will lift the bottom float by a 1/4", which will activate the pump. If for any reason the lower float does not activate the pump, the water will rise and activate the second switch. As the pump evacuates the water from the pit, the floats will drop. The pump will run for an additional 10 seconds to extend the cycle after the float returns to its original position. Note: When mounting the float switch, position the bottom of the cage at the height you want the pump to activate. If you prefer, you could change out that BWC1 with a Pro Series DFC2 - Deluxe Controller System w/ Dual Vertical Float Switch. This switch operates pretty much the same as the BWC1 EXCEPT for the fact that you can set the timer mechanism to run the pump from 5 - 45 seconds, thereby providing a longer pump runtime. Please note that this is ONLY for the primary or main pump in that DFK-961 combo system. There are no provisions for the switch operation on the backup pump.
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Can you recommend an ACpowered sump pump with battery backup that would fit into a 14 deep x 12 diameter well? My current sump pump is a Ridgid Model SP500 12 hp, 60 hz, 120 volt, 3.8 amp.
Thanks.
Rick
Rick G
from Oregon
August 25, 2013
Answer
Thank you for your interest in Sump Pumps Direct. The Basement Watchdog 1/2 HP Combination Primary and Backup Sump Pump, model BW4000 will fit in a sump pit as small as 12” wide and 14” high (the size of a 5 gallon bucket). It measures 18“ inches from the bottom of the pump to the top of the "Y" connector where it will be attached to the discharge pipe.
The Basement Watchdog 1/3 HP Combination Primary and Backup Sump Pump System, model DFK-961 will fit in a sump pit as small as 10” wide and 14” high (the size of a 5 gallon bucket). It measures 17-3/4“ inches from the bottom of the pump to the top of the "Y" connector where it will be attached to the discharge pipe.
The Basement Watchdog 1/3 HP Combination Primary and Backup Sump Pump System, model DFK-961 will fit in a sump pit as small as 10” wide and 14” high (the size of a 5 gallon bucket). It measures 17-3/4“ inches from the bottom of the pump to the top of the "Y" connector where it will be attached to the discharge pipe.
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If the 120 v pump can't keep up it sounds as if the battery backup pump will kick in---but the units share a common pipe so how can you add water /flow to an already maxed out pipe?? Would this not just increase head pressure on the battery pump causing it to work even harder????
Mark F
from Wisconsin
April 10, 2013
Answer
Thank you for visiting Sump Pumps Direct. You bring up a very good and important point, Mark! Most primary (1/4HP - 1/2HP) and battery backup pumps discharge to a 1-1/2" discharge pipe and will be installed separately but due to the discharge system already in place, be piped or "Y'd" together. In MOST cases, the total pumping capacity by both pumps at the same time will be handled by that 1-1/2" discharge pipe and will not cause any extra stress or back-pressure on those pumps. That being said, for optimum performance of both pumps, they should be connected to separate discharge pipes. Again, that is not always possible. In cases of extreme high water tables and frequent possible flooding where high capacity pumps are required, you should definitely run a separate discharge pipe for each pump you have installed.
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If the backup pump is activated due to heavy water flow (to help the main pump) and the AC power stays on, will the system keep charging the battery to allow the backup pump to keep running indefinitely?
Scott Mueller
from Connecticut
January 24, 2012
Answer
Yes, the controller will keep the battery charging and the pump running indefinitely if needed. This is true for the Basement Watchdog model BWE and the BWSP stand alone battery backup systems as well.
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can you use a marine battery with this unit in stead of the 30hdc140s battery ?
also dose the unit have and automatic battery charge ?
Mike G
from Pennsylvania
January 08, 2012
Answer
You can use a standard marine deep cycle battery, however the Basement Watchdog Emergency Standby Battery has been designed to run the backup pump for a minimum of 6 hours continuously. However, most of the time the pump will turn on and off, and the battery will run the pump intermittently for days. In addition the unique materials in the battery enable it to last for 5-7 years in standby service.
To extend the run time of the pump, use the Basement Watchdog 7.5 Hour battery. It will run this pump continuously for 12 hours. Why will it run longer than 7.5 hours? Because the 7.5 hour battery is rated for other Basement Watchdog pumps that draw more power (amps). The emergency pump puts less drain on the battery, so the battery lasts longer.
NOTE: The battery will not run the primary pump.
The use of automotive batteries is NOT recommended. Automotive batteries are not designed for this application. They will only run the pump for a short time and will have a shorter life than a standby battery.
The battery fluid sensor and cap are designed to fit the Basement Watchdog batteries. Measuring the battery fluid is one of the most important features of the system; since about 80% of backup sump pump failures are the result of a battery that has dried out.
The control box that is included does also act as a battery charger.
To extend the run time of the pump, use the Basement Watchdog 7.5 Hour battery. It will run this pump continuously for 12 hours. Why will it run longer than 7.5 hours? Because the 7.5 hour battery is rated for other Basement Watchdog pumps that draw more power (amps). The emergency pump puts less drain on the battery, so the battery lasts longer.
NOTE: The battery will not run the primary pump.
The use of automotive batteries is NOT recommended. Automotive batteries are not designed for this application. They will only run the pump for a short time and will have a shorter life than a standby battery.
The battery fluid sensor and cap are designed to fit the Basement Watchdog batteries. Measuring the battery fluid is one of the most important features of the system; since about 80% of backup sump pump failures are the result of a battery that has dried out.
The control box that is included does also act as a battery charger.
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I have a DFK-961 and couldn't be happier with it. My question is what happens if the primary pump goes out? Can I replace it with the BW1033 from the primary pumps section?
Steve Pierce
from Wisconsin
January 04, 2012
Answer
Since the primary pump is independent of the backup system, pretty much any submersible pump pump will work. The BW1033 would be a direct replacement because that's the pump used in the system.
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whats the difference in a sump pump that has a built in check value versus one that doesnt? I want a cast iron style, vertical float switch and wonder if buying this DUAL style sump pump is good or bad ??
Kathy C Ranalli
from Ohio
November 09, 2011
Answer
A built-in check valve is really a convenience in that you will not need to worry about it for the rest of your installation. All sump pumps require a check valve to keep water from flowing back into your basin once the pump shuts off. The dual style pump you speak of, I believe, is actually a Combo or Combination primary and battery backup pump already plumbed together for easier installation. They are a great idea for those that are looking to install a brand new system, i.e. primary pump and battery backup system or those that are looking to replace their old primary pump and add the battery backup system.
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What size deep-cycle battery does the DFK-961?
from
April 17, 2011
Answer
The recommended battery is the Basement Watchdog model 30HDC140S. It will give you about 12 hours of continuous run time.
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does the battery box come with this unit?
Jim
from
April 13, 2011
Answer
No, the battery box does need to be purchased seperately. It is available HERE for $12.99 plus shipping.
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watchdog model dfk-961 what is the discharge rate for backup pump @ 10ft.
Michael Wilson
from Pennsylvania
March 03, 2011
Answer
The DFK-961 uses a BWE backup pump with 1000 GPH @10' lift.
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is this a battery backup for power outage
Bryan Emmers
from Minnesota
February 11, 2011
Answer
Yes, the kit includes 1 Basement Watchdog 1/3 HP (BW1033) AC pump (2200 GPH @ 10 lift) and 1 Basement Watchdog Emergency battery backup system (BWE)(1000 GPH @ 10 feet). The battery is sold seperately.
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Do I need a check valve with this unit?
Elliot
from New Jersey
January 27, 2011
Answer
These combination pump systems from Basement Watchdog have built-in check valves. An additional float switch is not needed.
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