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The WATCO HL34-CLEAR is a clear filter housing designed to accept a 20 inch by 2.5 inch standard cartridge filter. The transparent body allows visual inspection of the filter element without removing the housing, making it easy to monitor filter condition and determine when a change is needed. The housing features 0.75 inch inlet and outlet ports and includes an integrated pressure release button to safely depressurize the housing before service. A removal wrench is included for hand-tight or stubborn cap removal. This type of housing is commonly installed by licensed plumbers and water treatment technicians in residential and light commercial filtration systems.
The HL34-CLEAR is suited for whole-house or point-of-entry water filtration setups where the operator wants to monitor filter life visually. The 0.75 inch port size is a standard fit for most residential supply lines. The housing accepts industry-standard 20 inch by 2.5 inch slim-line cartridges, giving installers flexibility in choosing filter media such as sediment, carbon block, or other compatible cartridge types. It is appropriate for indoor installations on cold water lines within the pressure and temperature ratings of the housing.
Designed as an OEM-style replacement or new-installation housing compatible with standard 20 inch by 2.5 inch slim-line filter cartridges on residential or light commercial cold water filtration systems.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and IPC guidelines. Shut off the supply water and relieve line pressure before installing or servicing the housing. Always press the pressure release button before loosening the filter sump to avoid sudden discharge of pressurized water. Do not exceed the pressure and temperature ratings of the housing, and install in a location protected from freezing temperatures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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