Blue And White (F-451002LHN) 2.0 - 20 GPM Flow Meter; 1" FPT; IL
F-451002LHN 2.0 - 20 GPM Flow Meter
Inline polysulfone flow meter with 1" female NPT Quick Loc adapters for high-volume water treatment monitoring
Accurate flow monitoring for commercial and residential water systems
Wide Flow Range
Measures 2.0 to 20 gallons per minute, suitable for well pumps, irrigation, filtration systems, and process water applications
Quick Loc Adapters
Blue & White half-union Quick Loc system with 1" female NPT threads allows fast installation and removal without cutting pipe
Chemical Resistant
Injection molded polysulfone construction resists chlorine, acids, and common water treatment chemicals without degradation
Dual Scale Display
Clear polysulfone housing with dual-scale readout provides real-time flow rate visibility for system diagnostics and sizing
Works with standard 1" NPT plumbing
The F-451002LHN flow meter fits any system with 1" female NPT connections. Common applications include whole house filters, well systems, commercial RO pre-treatment, irrigation controllers, and backwash monitoring. Quick Loc adapters mate with Blue & White F-Series housings and standard threaded fittings. Inline configuration installs horizontally or vertically in pressurized water lines up to 125 PSI.
No Power Required
Mechanical paddle wheel operation with visual flow indication, no batteries or wiring
System Diagnostics
Instantly verify pump output, filter flow rates, and identify pressure loss or fouling
Proven Design
Blue & White F-451 series has been the industry standard for water treatment flow monitoring since 1988
F-451002LHN 2.0 - 20 GPM Flow Meter
Inline polysulfone flow meter with 1" female NPT Quick Loc adapters for high-volume water treatment monitoring
Accurate flow monitoring for commercial and residential water systems
Wide Flow Range
Measures 2.0 to 20 gallons per minute, suitable for well pumps, irrigation, filtration systems, and process water applications
Quick Loc Adapters
Blue & White half-union Quick Loc system with 1" female NPT threads allows fast installation and removal without cutting pipe
Chemical Resistant
Injection molded polysulfone construction resists chlorine, acids, and common water treatment chemicals without degradation
Dual Scale Display
Clear polysulfone housing with dual-scale readout provides real-time flow rate visibility for system diagnostics and sizing
Works with standard 1" NPT plumbing
The F-451002LHN flow meter fits any system with 1" female NPT connections. Common applications include whole house filters, well systems, commercial RO pre-treatment, irrigation controllers, and backwash monitoring. Quick Loc adapters mate with Blue & White F-Series housings and standard threaded fittings. Inline configuration installs horizontally or vertically in pressurized water lines up to 125 PSI.
No Power Required
Mechanical paddle wheel operation with visual flow indication, no batteries or wiring
System Diagnostics
Instantly verify pump output, filter flow rates, and identify pressure loss or fouling
Proven Design
Blue & White F-451 series has been the industry standard for water treatment flow monitoring since 1988
Original: $1,093.57
-65%$1,093.57
$382.75Description
F-451002LHN 2.0 - 20 GPM Flow Meter
Inline polysulfone flow meter with 1" female NPT Quick Loc adapters for high-volume water treatment monitoring
Accurate flow monitoring for commercial and residential water systems
Wide Flow Range
Measures 2.0 to 20 gallons per minute, suitable for well pumps, irrigation, filtration systems, and process water applications
Quick Loc Adapters
Blue & White half-union Quick Loc system with 1" female NPT threads allows fast installation and removal without cutting pipe
Chemical Resistant
Injection molded polysulfone construction resists chlorine, acids, and common water treatment chemicals without degradation
Dual Scale Display
Clear polysulfone housing with dual-scale readout provides real-time flow rate visibility for system diagnostics and sizing
Works with standard 1" NPT plumbing
The F-451002LHN flow meter fits any system with 1" female NPT connections. Common applications include whole house filters, well systems, commercial RO pre-treatment, irrigation controllers, and backwash monitoring. Quick Loc adapters mate with Blue & White F-Series housings and standard threaded fittings. Inline configuration installs horizontally or vertically in pressurized water lines up to 125 PSI.
No Power Required
Mechanical paddle wheel operation with visual flow indication, no batteries or wiring
System Diagnostics
Instantly verify pump output, filter flow rates, and identify pressure loss or fouling
Proven Design
Blue & White F-451 series has been the industry standard for water treatment flow monitoring since 1988
