Larsen Supply Co. S-166-1NL Ceramic Hot Stem No Lead

Product Description

The LARSEN SUPPLY CO., INC. S-166-1NL is a ceramic hot-side faucet stem designed as a replacement part for faucet repair and maintenance applications. This stem is built to No Lead compliance standards, making it suitable for use in potable water systems where lead-free materials are required by code. Ceramic stem construction provides durable, corrosion-resistant performance in residential and light commercial plumbing applications. The part ships in a clamshell carded package at a standard package quantity of 6 units, making it practical for service van stock or shop inventory. Licensed plumbers and experienced repair technicians are the primary installers of this type of component.

This ceramic hot stem is referenced as a 3803-style replacement and is intended to fit many common faucet manufacturers, making it a versatile shelf item for plumbing supply and service use. It is appropriate for residential sink faucets and light commercial fixtures requiring hot-side stem replacement. The No Lead compliant designation supports use in jurisdictions that enforce lead-free plumbing standards under the Safe Drinking Water Act amendments. This part is well suited for service calls involving older faucet bodies where original stems are worn, damaged, or discontinued.

Key Features

• Ceramic stem construction for durable, corrosion-resistant service life
• No Lead compliant for use in potable water supply systems
• Hot-side application, designated for hot water faucet stem replacement
• 3803-style fitment designed to match many common faucet manufacturers
• Clamshell carded packaging suitable for retail display or van stock
• Package quantity of 6 units per pack for stocking efficiency

Compatibility

Designed as a 3803-style hot-side ceramic stem replacement compatible with many faucet manufacturers. Consult the manufacturer or a cross-reference guide to confirm fitment with a specific faucet body before installation.

Installation Notes

Installation should be performed by a licensed plumber or qualified technician in accordance with local plumbing codes and IPC guidelines. Shut off the water supply and relieve line pressure completely before disassembling the faucet body. Inspect the faucet seat for wear or damage before installing the replacement stem, as a damaged seat will shorten the service life of the new part. Do not overtighten the stem packing nut, as ceramic components can crack under excessive torque.