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Watts-FH4200BB34 Flowmatic Black Filter Housing 10 in Std With 3/4 in Ports

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Watts-FH4200BB34 Flowmatic Black Filter Housing 10 in Std With 3/4 in Ports

The Watts FH4200BB34 Flowmatic filter housing combines industrial-grade polypropylene construction with a buttress thread design for dependable filtration in residential and light commercial applications. Built with reinforced sidewalls and triple O-ring sealing, this 10-inch standard housing handles aggressive water chemistry while maintaining pressure integrity up to 100 psi.
SPECIFICATIONS

Watts FH4200BB34 Technical Details

Model Number Watts FH4200BB34 Flowmatic
Housing Size 10 inch standard (fits 2.5" x 10" cartridges)
Port Size 3/4 inch NPT inlet and outlet
Maximum Pressure 100 psi
Temperature Range 40°F to 100°F (4°C to 37.8°C)
Material FDA-grade polypropylene with EPDM O-rings
Chemical Resistance Acids, alcohols, ammonia, oils, plating solutions
Pressure Relief Non-pressure relief valve style
INSTALLATION & USE

Installing the Flowmatic FH4200BB34

  1. Install housing on inlet side of your water system using 3/4 inch NPT fittings, ensuring flow direction matches housing markings if indicated
  2. Insert your choice of 2.5" x 10" filter cartridge into the sump, seat the cap O-ring properly in the groove, and hand-tighten the black cap using the buttress threads
  3. Pressurize the system slowly and check all connection points and the cap seal for leaks before putting into regular service
  4. Replace filter cartridges according to manufacturer recommendations or when flow rate diminishes noticeably, typically every 3 to 6 months depending on water quality
COMPATIBILITY

Cartridge and System Compatibility

The Watts FH4200BB34 accepts all standard 2.5 inch diameter by 10 inch length filter cartridges, including sediment, carbon block, pleated polyester, and specialty media cartridges from Watts, Pentek, Culligan, and other major manufacturers. The 3/4 inch NPT ports integrate directly with residential plumbing and are compatible with most whole-house, point-of-use, and light commercial filtration systems operating within the 100 psi maximum pressure rating.

🔧 Pro tip: Before installing a new cartridge, lubricate all three O-rings (cap, sump, and top seat) with a thin layer of food-grade silicone grease to ensure proper sealing and make future housing openings easier.
The Watts FH4200BB34 Flowmatic filter housing combines industrial-grade polypropylene construction with a buttress thread design for dependable filtration in residential and light commercial applications. Built with reinforced sidewalls and triple O-ring sealing, this 10-inch standard housing handles aggressive water chemistry while maintaining pressure integrity up to 100 psi.
SPECIFICATIONS

Watts FH4200BB34 Technical Details

Model Number Watts FH4200BB34 Flowmatic
Housing Size 10 inch standard (fits 2.5" x 10" cartridges)
Port Size 3/4 inch NPT inlet and outlet
Maximum Pressure 100 psi
Temperature Range 40°F to 100°F (4°C to 37.8°C)
Material FDA-grade polypropylene with EPDM O-rings
Chemical Resistance Acids, alcohols, ammonia, oils, plating solutions
Pressure Relief Non-pressure relief valve style
INSTALLATION & USE

Installing the Flowmatic FH4200BB34

  1. Install housing on inlet side of your water system using 3/4 inch NPT fittings, ensuring flow direction matches housing markings if indicated
  2. Insert your choice of 2.5" x 10" filter cartridge into the sump, seat the cap O-ring properly in the groove, and hand-tighten the black cap using the buttress threads
  3. Pressurize the system slowly and check all connection points and the cap seal for leaks before putting into regular service
  4. Replace filter cartridges according to manufacturer recommendations or when flow rate diminishes noticeably, typically every 3 to 6 months depending on water quality
COMPATIBILITY

Cartridge and System Compatibility

The Watts FH4200BB34 accepts all standard 2.5 inch diameter by 10 inch length filter cartridges, including sediment, carbon block, pleated polyester, and specialty media cartridges from Watts, Pentek, Culligan, and other major manufacturers. The 3/4 inch NPT ports integrate directly with residential plumbing and are compatible with most whole-house, point-of-use, and light commercial filtration systems operating within the 100 psi maximum pressure rating.

🔧 Pro tip: Before installing a new cartridge, lubricate all three O-rings (cap, sump, and top seat) with a thin layer of food-grade silicone grease to ensure proper sealing and make future housing openings easier.
$10.39

Original: $29.69

-65%
Watts-FH4200BB34 Flowmatic Black Filter Housing 10 in Std With 3/4 in Ports

$29.69

$10.39

Description

The Watts FH4200BB34 Flowmatic filter housing combines industrial-grade polypropylene construction with a buttress thread design for dependable filtration in residential and light commercial applications. Built with reinforced sidewalls and triple O-ring sealing, this 10-inch standard housing handles aggressive water chemistry while maintaining pressure integrity up to 100 psi.
SPECIFICATIONS

Watts FH4200BB34 Technical Details

Model Number Watts FH4200BB34 Flowmatic
Housing Size 10 inch standard (fits 2.5" x 10" cartridges)
Port Size 3/4 inch NPT inlet and outlet
Maximum Pressure 100 psi
Temperature Range 40°F to 100°F (4°C to 37.8°C)
Material FDA-grade polypropylene with EPDM O-rings
Chemical Resistance Acids, alcohols, ammonia, oils, plating solutions
Pressure Relief Non-pressure relief valve style
INSTALLATION & USE

Installing the Flowmatic FH4200BB34

  1. Install housing on inlet side of your water system using 3/4 inch NPT fittings, ensuring flow direction matches housing markings if indicated
  2. Insert your choice of 2.5" x 10" filter cartridge into the sump, seat the cap O-ring properly in the groove, and hand-tighten the black cap using the buttress threads
  3. Pressurize the system slowly and check all connection points and the cap seal for leaks before putting into regular service
  4. Replace filter cartridges according to manufacturer recommendations or when flow rate diminishes noticeably, typically every 3 to 6 months depending on water quality
COMPATIBILITY

Cartridge and System Compatibility

The Watts FH4200BB34 accepts all standard 2.5 inch diameter by 10 inch length filter cartridges, including sediment, carbon block, pleated polyester, and specialty media cartridges from Watts, Pentek, Culligan, and other major manufacturers. The 3/4 inch NPT ports integrate directly with residential plumbing and are compatible with most whole-house, point-of-use, and light commercial filtration systems operating within the 100 psi maximum pressure rating.

🔧 Pro tip: Before installing a new cartridge, lubricate all three O-rings (cap, sump, and top seat) with a thin layer of food-grade silicone grease to ensure proper sealing and make future housing openings easier.