Flowmatic (FH10000BL15PR) 20" Big Blue W- PR Filter Housing 1.5" NPT Black-Blue
Flowmatic FH10000BL15PR 20" Big Blue Filter Housing with Pressure Release
Polypropylene construction with 1.5" NPT ports for high-flow commercial and residential applications up to 85 PSI
Built for High-Flow Filtration
20" Big Blue Format
Accepts standard 20-inch Big Blue cartridges with 4.5" outer diameter for maximum dirt-holding capacity and extended service intervals
Polypropylene Construction
Chemically resistant housing rated to 85 PSI and 120°F handles municipal or well water without cracking or degrading over time
1.5" NPT Connections
Oversized threaded ports support high-flow applications like pool fill stations, restaurant water lines, irrigation systems, and whole-building filtration
Integrated Pressure Release
Built-in PR valve allows safe depressurization before cartridge changes, preventing blowouts and simplifying maintenance
Direct Replacement For
The Flowmatic FH10000BL15PR replaces Kemflo 20050LB-1.5-PR-NP and other 20" Big Blue housings with 1.5" NPT threads. Works with any standard 20" x 4.5" filter cartridge including sediment, carbon block, pleated polyester, and specialty media. Black/blue two-piece design with threaded sump for tool-free cartridge replacement.
Filter Replacement Schedule
Sediment Cartridges
Replace 5-20 micron sediment filters based on pressure drop or visible dirt accumulation in clear sump applications
Carbon Block Cartridges
Swap carbon filters when chlorine taste or odor returns, typically every six months for residential or quarterly for commercial
O-Ring and Seal Inspection
Inspect housing O-ring during each cartridge change and replace if cracked, flattened, or leaking. Lubricate with food-grade silicone grease
Pool and Spa
High flow rates handle pre-filtration for pool fill lines and water features without pressure loss
Commercial Ready
Sized for restaurants, schools, car washes, and light industrial applications with heavy daily demand
Irrigation Systems
Protects drip emitters and spray nozzles from sediment clogging in farm and landscape irrigation
Tool-Free Service
Threaded sump removes by hand for quick cartridge changes, no wrench required with pressure release engaged
Flowmatic FH10000BL15PR 20" Big Blue Filter Housing with Pressure Release
Polypropylene construction with 1.5" NPT ports for high-flow commercial and residential applications up to 85 PSI
Built for High-Flow Filtration
20" Big Blue Format
Accepts standard 20-inch Big Blue cartridges with 4.5" outer diameter for maximum dirt-holding capacity and extended service intervals
Polypropylene Construction
Chemically resistant housing rated to 85 PSI and 120°F handles municipal or well water without cracking or degrading over time
1.5" NPT Connections
Oversized threaded ports support high-flow applications like pool fill stations, restaurant water lines, irrigation systems, and whole-building filtration
Integrated Pressure Release
Built-in PR valve allows safe depressurization before cartridge changes, preventing blowouts and simplifying maintenance
Direct Replacement For
The Flowmatic FH10000BL15PR replaces Kemflo 20050LB-1.5-PR-NP and other 20" Big Blue housings with 1.5" NPT threads. Works with any standard 20" x 4.5" filter cartridge including sediment, carbon block, pleated polyester, and specialty media. Black/blue two-piece design with threaded sump for tool-free cartridge replacement.
Filter Replacement Schedule
Sediment Cartridges
Replace 5-20 micron sediment filters based on pressure drop or visible dirt accumulation in clear sump applications
Carbon Block Cartridges
Swap carbon filters when chlorine taste or odor returns, typically every six months for residential or quarterly for commercial
O-Ring and Seal Inspection
Inspect housing O-ring during each cartridge change and replace if cracked, flattened, or leaking. Lubricate with food-grade silicone grease
Pool and Spa
High flow rates handle pre-filtration for pool fill lines and water features without pressure loss
Commercial Ready
Sized for restaurants, schools, car washes, and light industrial applications with heavy daily demand
Irrigation Systems
Protects drip emitters and spray nozzles from sediment clogging in farm and landscape irrigation
Tool-Free Service
Threaded sump removes by hand for quick cartridge changes, no wrench required with pressure release engaged
Original: $150.33
-65%$150.33
$52.62Description
Flowmatic FH10000BL15PR 20" Big Blue Filter Housing with Pressure Release
Polypropylene construction with 1.5" NPT ports for high-flow commercial and residential applications up to 85 PSI
Built for High-Flow Filtration
20" Big Blue Format
Accepts standard 20-inch Big Blue cartridges with 4.5" outer diameter for maximum dirt-holding capacity and extended service intervals
Polypropylene Construction
Chemically resistant housing rated to 85 PSI and 120°F handles municipal or well water without cracking or degrading over time
1.5" NPT Connections
Oversized threaded ports support high-flow applications like pool fill stations, restaurant water lines, irrigation systems, and whole-building filtration
Integrated Pressure Release
Built-in PR valve allows safe depressurization before cartridge changes, preventing blowouts and simplifying maintenance
Direct Replacement For
The Flowmatic FH10000BL15PR replaces Kemflo 20050LB-1.5-PR-NP and other 20" Big Blue housings with 1.5" NPT threads. Works with any standard 20" x 4.5" filter cartridge including sediment, carbon block, pleated polyester, and specialty media. Black/blue two-piece design with threaded sump for tool-free cartridge replacement.
Filter Replacement Schedule
Sediment Cartridges
Replace 5-20 micron sediment filters based on pressure drop or visible dirt accumulation in clear sump applications
Carbon Block Cartridges
Swap carbon filters when chlorine taste or odor returns, typically every six months for residential or quarterly for commercial
O-Ring and Seal Inspection
Inspect housing O-ring during each cartridge change and replace if cracked, flattened, or leaking. Lubricate with food-grade silicone grease
Pool and Spa
High flow rates handle pre-filtration for pool fill lines and water features without pressure loss
Commercial Ready
Sized for restaurants, schools, car washes, and light industrial applications with heavy daily demand
Irrigation Systems
Protects drip emitters and spray nozzles from sediment clogging in farm and landscape irrigation
Tool-Free Service
Threaded sump removes by hand for quick cartridge changes, no wrench required with pressure release engaged
