This document describes the Whirlpool Whole House Filtration Standard Housing, Model WHKF-DWH, an installation, use, and care guide for a whole-house water filtration system. The manual provides instructions in English, French, and Spanish, covering installation, operation, maintenance, and warranty information.
Function Description
The Whirlpool WHKF-DWH is a standard housing unit designed for whole-house water filtration. Its primary function is to house a filter cartridge (purchased separately) that removes or reduces contaminants and other substances from the water supply entering a home. This ensures that all cold water used throughout the house, whether for drinking, bathing, or other purposes, is filtered. The system is intended for use with cold water lines only.
Important Technical Specifications
- Model: WHKF-DWH
- Min./Max. Temperature: 40-100° F (4.4°-37.8° C)
- Min./Max. Operating Pressure: 25-100 psi
- Compatibility: The housing is compatible with various Whirlpool filter cartridges, including WHKF-GD05, WHKF-WHPL, WHKF-WHSW, and WHEF-WHWC. It's important to note that claims regarding the reduction of chlorine taste and odor have not been tested and certified by NSF.
- Materials: The filter head and opaque housing are designed for durability. The manual specifies the use of Teflon® tape for sealing threaded connections, emphasizing that pipe sealant (dope) should not be used as its solvents can damage plastic fittings.
- Grounding: For metal water piping systems, a grounding connection is required. The Whirlpool Grounding Kit WHKF-GRND is available for this purpose.
- Support: The pipe and filter need to be properly supported, either with pipe hangers or the optional Whirlpool Bracket WHKF-B6.
Usage Features
- Whole-House Filtration: The system filters all cold water entering the home, providing filtered water to every faucet and appliance.
- Cold Water Use Only: The filter housing is specifically designed for use with cold water lines.
- Air Release Button: The filter head includes a red air release button to relieve pressure in the housing before filter changes and to flush out air after installation or filter replacement.
- Shut-off Valves: The installation process involves fitting two 3/4" gate valves (compression type) on either side of the filter head, allowing for easy isolation of the filter for maintenance without shutting off the main water supply to the entire house.
- Housing Wrench: A housing wrench is included to facilitate the tightening and loosening of the opaque housing during installation and filter replacement, ensuring a water-tight seal.
- Adaptability: The assembly schematic is based on suggested materials, but the filter assembly can be modified using various adapters, allowing for either sweated or threaded fittings.
Maintenance Features
- Filter Replacement: The manual provides clear, step-by-step instructions for replacing the filter cartridge. This includes shutting off water, relieving pressure, unscrewing the housing, washing the housing, inserting a new cartridge, and re-installing.
- Recommended Filter Life: Filter life varies based on local water conditions and water usage volume. The manual recommends changing the filter as prescribed by the filter documentation or earlier if a drop in water pressure is observed.
- Cleaning: The opaque housing should be washed thoroughly with mild soap and water during filter replacement.
- O-ring Lubrication: The housing o-ring should be lubricated with water during filter replacement to ensure a proper seal.
- Leak Troubleshooting: The guide offers troubleshooting advice for water leaks at fittings, suggesting tightening connections slightly or reapplying Teflon® tape if leaks persist.
- Clearance for Maintenance: A minimum of 2 inches (5.1 cm) of clear space below the unit is required to facilitate filter changes.
- Protection from Elements: The unit should be installed in a location not susceptible to freezing temperatures and away from direct sunlight, as prolonged exposure to light can weaken plastic components.
- Limited Warranty: KEMFLO INTERNATIONAL provides a one-year limited warranty from the original purchase date, covering defects in materials and workmanship.
- Coverage: The warranty covers repair, replacement, or refund of defective products. It does not cover defects resulting from abuse, misuse, alteration, or damage not caused by KEMFLO INTERNATIONAL.
- Exclusions: The warranty explicitly excludes liability for indirect or consequential damages.
- Consumer Responsibility: Consumers are responsible for notifying KEMFLO INTERNATIONAL in writing of any defects, malfunctions, or violations of the warranty terms, providing product identification, purchase details, and a description of the issue.
- Contact Information: KEMFLO NORTH AMERICA, 6400 Corporate Ave., Portage, MI 49002, U.S.A., is the contact for warranty claims. Customer service is also available via a toll-free number in the U.S.A. and Canada (1-866-363-9472) Monday to Friday from 8:00 a.m. to 6:00 p.m. (EST).
The manual emphasizes the importance of following local codes and requirements, potentially requiring a licensed plumber or certified installer for potable water line disruptions. It also states that the system should not be used with microbiologically unsafe or unknown quality water without adequate disinfection.
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