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Browse our large selection of Kitchen & Bath Fixtures, Faucets, Sinks, Bathtubs and Accessories and narrow your selection by style, finish, installation type, and much more. DesignerHardware.com offers stylish products that match your style, needs and budget. Shop and Save with "In Stock" availability, Quick Shipping, plus Enjoy Free Shipping on most orders over $99
Zinc Alloy Bonnet Nut
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Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FSY360x, FSY561x, FSY761x, KB111x,...
$19.95
$12.97
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Polished Chrome
Zinc Alloy Bonnet Nut
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Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FB111, FB121, FB213x, FB214x,...
$14.95
$9.72
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Polished Chrome
Zinc Alloy Bonnet Nut
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Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware KB11x, KB16x, KB27x, KB260x,...
$14.95
$9.72
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Polished Chrome
11.5 mm Bonnet Nut, FSC1XXX, FSC8XXX, KB9XX, KC7XXX Series
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11.5 mm Bonnet Nut, FSC1XXX, FSC8XXX, KB9XX, KC7XXX Series To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer...
$14.95
$9.72
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Polished Chrome
Brass Bonnet Nut
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Brass Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FKS825x and KS826x series faucets,...
$44.95
$29.22
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Polished Chrome
Brass Adapter
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Brass Adapter With the new trend of thicker countertops, extension nuts are needed to compensate for the added thickness when installing product. Use this extension nut for a secure install. Features: Solid brass construction for durability and reliability 1/2"-14 NPT...
$34.95
$22.72
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Raw
Cold Side Plastic Adaptor
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Cold Side Plastic Adaptor To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. Features: Fabricated from plastic Extension adaptor for bathroom faucet 3/4"...
$14.95
$9.72
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Raw
Extension Adapter for KB131
from $16.22
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Polished Chrome
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Brushed Nickel
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Polished Brass
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Oil Rubbed Bronze
Extension Adapter for KB131
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Extension Adapter for KB131 To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. Features: Constructed of porcelain and chrome plated brass for long-lasting...
$24.95
from $16.22
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Polished Chrome
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Brushed Nickel
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Polished Brass
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Oil Rubbed Bronze
Handle Adapter
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Handle Adapter Use this handle adapter to provide additional length for Designer Hardware 3/8"x 16PT spline-type handles. These stem extension are a quick install as they simply fit over the existing part. This extension adapter perticularlly designed for Designer Hardware...
$34.95
$22.72
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Rough
1"-24 UNS Bonnet Nut, KB1791 & KB1971 Series
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1"-24 UNS Bonnet Nut, KB1791 & KB1971 Series To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This 1"-24 UNS Bonnet Nut fits...
$14.95
$9.72
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Polished Chrome
Handle Adapter
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Handle Adapter Use this handle adapter to convert a "D" shaped cartridge to allow for the installation of spline-type handles. These are a quick install as they simply fit over the existing part. Features: Constructed of zinc alloy for long-lasting...
$24.95
$16.22
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Polished Chrome
3/8" OD Compression Female - Male Anti-Flood Adapter
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3/8" OD Compression Female-Male Anti-Flood Adapter An ounce of prevention is worth a pound of cure. With this adapter, the risks of possible flooding and water damage are diminished, giving you peace of mind. It is designed to be installed...
$24.95
$16.22
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Polished Chrome
3/8" OD Compression Female - Male Flood Protec™ Safety Valve
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3/8" OD Compression Female-Male Flood Protec™ Safety Valve An ounce of prevention is worth a pound of cure. With this adapter, the risks of possible flooding and water damage are diminished, giving you peace of mind. It is designed to...
$29.95
$19.47
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Polished Chrome
3/4"-11.5 NH Female Hose Thread Flood Protec™ Safety Valve
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3/4"-11.5 NH Female Hose Thread Flood Protec™ Safety Valve An ounce of prevention is worth a pound of cure. With this adapter, the risks of possible flooding and water damage are diminished, giving you peace of mind. It is designed...
$29.95
$19.47
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Polished Chrome
3/4"-11.5 NH Male Hose Thread Flow Restrictor
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3/4"-11.5 NH Male Hose Thread Flow Restrictor An ounce of prevention is worth a pound of cure — protect your home with Kingston’s Protec™ safety valve. Engineered to instantly halt water flow when it exceeds 2.5 GPM, Protec™ stops supply-line...
$29.95
$19.47
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Polished Chrome
7/8" (15/16"-14 UNS) Toilet Tank Ballcock Flow Restrictor
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7/8" (15/16"-14 UNS) Toilet Tank Ballcock Flow Restrictor An ounce of prevention is worth a pound of cure — protect your home with Kingston’s Protec™ safety valve. Engineered to instantly halt water flow when it exceeds 2.5 GPM, Protec™ stops...
$29.95
$19.47
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Polished Chrome
Zinc Alloy Bonnet Nut
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Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FB62x, FB562x, FB862x, KB25x,...
$14.95
$9.72
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Polished Chrome
Handle Adapter
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Handle Adapter Use this handle adapter to convert a 5/16" x 20PT cartridge to allow for the installation of 3/8" x 16PT spline-type handles. These are a quick install as they simply fit over the existing part. Features: Solid metal...
$24.95
$16.22
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Raw
7/16"-24 UNS Female - Male Anti-Flood Adapter
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7/16"-24 UNS Female-Male Anti-Flood Adapter An ounce of prevention is worth a pound of cure. With this adapter, the risks of possible flooding and water damage are diminished, giving you peace of mind. It is designed to be installed on...
$29.95
$19.47
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Polished Chrome
Handle Adapter
Add to Wish List
Handle Adapter Use this handle adapter to convert a 5/16" x 20PT cartridge to allow for the installation of 3/8" x 16PT spline-type handles. These are a quick install as they simply fit over the existing part. Features: Solid metal...
$24.95
$16.22
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Raw
Brass Extension Nut
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Brass Extension Nut This extension was specially designed to provide extra clearance to your sprayer holder, for those extra thick countertops Features: Solid brass construction for durability and reliability 21.5-14 UN connection Provide Extra 1-15/16" Inlet Extension for Marble and...
$24.95
$16.22
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Rough
Vintage 1/2-Inch IPS Brass Adapter
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Vintage 1/2-Inch IPS Brass Adapter Designed to convert 3/4" FIP to 1/2" FIP, it's required in cases where deck adapters are needed. It's a perfect coupling between supply lines and deck elbows. Features: Solid brass construction for durability and reliability...
$29.95
$19.47
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Rough
Aqua Vintage 1/2-Inch IPS Brass Adapter
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Aqua Vintage 1/2-Inch IPS Brass Adapter This Brass extension will aid you in the installation of your wall mounted tub faucet Features: Solid brass construction for durability and reliability 1/2" IPS Thread 2-1/4" height 2" Length With Lock Nut, Cone...
$29.95
$19.47
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Raw Brass
Flood Protec™ Safety Valve Kit for Washing Machine
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Flood Protec™ Safety Valve Kit for Washing Machine Protect your home from unexpected water damage with the Flood Protec™ Safety Valve Kit for washing machines. Constructed from solid brass for lasting durability, this safety valve automatically shuts off water flow...
$59.95
$38.97
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Polished Chrome
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