2025 Nelsen Corporation Catalog - Catalog - Page 82
3 Fleck 2510 Filter Systems
Filtration Equipment
Fleck 2510AF Backwash Only Filters (less/Media)
Features include Fleck 2510 timeclock backwash only valve, environmental backplate and cover, 3/4"
stainless steel bypass, polyglass tank, basket distributor, and gravel bed.
2510AFB-10
10" x 44" Backwash Only Filter
2510AFB-10T
10" x 54" Backwash Only Filter
2510AFB-12
12" x 48" Backwash Only Filter
2510AFB-13
13" x 54" Backwash Only Filter
Fleck 2510AF SXT Electronic Backwash Only Filters (less/Media)
Features include Fleck 2510 SXT backwash only valve filter valve, environmental backplate and cover,
3/4" stainless steel bypass, polyglass tank, basket distributor, and gravel bed.
2510AFB-SXT-10
10" x 44" 2510 SXT Control, Backwash Only Filter
2510AFB-SXT-10T
10" x 54" 2510 SXT Control, Backwash Only Filter
2510AFB-SXT-12
12" x 48" 2510 SXT Control, Backwash Only Filter
2510AFB-SXT-13
13" x 54" 2510 SXT Control, Backwash Only Filter
Choose plumbing connections separately on Page 1-20.
CONTROL VALVE FEATURES
• Fiber-reinforced polymer valve body for superior strength and
durability, non-corrosive, and UV-resistant
• Continuous service flow rate of 19 GPM with a backwash of 17 GPM
• Backwash capability accommodates filter tanks up to 16" tanks
• Fully adjustable 3-cycle control for efficient and reliable water
treatment system
• Time-tested, hydraulically-balanced piston for service and
regeneration
• Rugged-built electromechanical timer designed with heavy
duty 3/8" wide plastic gears
FLECK 2510 MECHANICAL
CONTROL VALVE
2510AFB-10T-SXT
Control Valve
TESTED and CERTIFIED by the
WQA to NSF/ANSI Standard 372
for Lead Free Compliance.
TESTED and CERTIFIED by the
WQA to NSF/ANSI Standard 44 for
Water Softener Performance.
FLECK 2510 SXT ELECTRONIC
CONTROL VALVE
FLECK 2510 CONTROL
Mineral Tank Size
10 x 44
10 x 54
12 x 48
Maximum Flow Rate, System - 19 GPM
Maximum Backwash Rate - 17 GPM
FLOW RATES* - Gallons Per Minute
Service
BKW
Service
BKW
Service
BKW
Greensand Plus
3.0
5.0
3.0
5.0
4.0
10.0
Birm
2.0
5.0
2.0
5.0
3.0
7.0
Activated Carbon
2.0
5.0
2.0
5.0
3.0
7.0
Calcite/Corosex
2.5
7.0
2.5
7.0
4.0
10.0
Multi-Media Depth
1.5
7.0
1.5
7.0
2.5
10.0
Filter-AG Plus
5.5
7.0
5.5
7.0
8.0
10.0
Filter Sand
1.5
7.0
1.5
7.0
2.5
10.0
Katalox
4.5
7.0
4.5
7.0
6.5
10.0
SYSTEM SPECIFICATIONS
Mineral Tank Size
10" x 44"
10" x 54"
12" x 48"
Pipe Size
3/4", 1", or 1-1/4"
3/4", 1", or 1-1/4"
3/4", 1", or 1-1/4"
Drain Pipe Size
1/2"
1/2"
1/2"
1.05"
1.05"
1.05"
Distributor Pilot
Tank Thread
4" - 8
4" - 8
4" - 8
Overall Height, Inches
51"
61"
55"
*NOTE - due to varying water conditions, water pressures, and assembly materials, service flow rate should be used as a guideline only.
3 - 12
For more information visit – NelsenCorp.com • NelsenWaterSolutions.com • VESTAwater.com
All prices and products subject to change without notice. ©Nelsen Corporation
13 x 54
Service
5.5
3.5
3.5
4.5
3.0
9.0
3.0
7.5
BKW
12.0
10.0
10.0
10.0
15.0
15.0
15.0
10.0
13" x 54"
3/4", 1", or 1-1/4"
1/2"
1.05"
4" - 8
61"
