Watts SXI-HK-4A STEMEXTENTION Lead-Free Ball Valve

The Watts SXI-HK-4A STEMEXTENTION is a genuine lead-free stem extension kit for 1 1/2" LFFBV-3C M1 / LFFBVS-3C M1 ball valves. It features a fkm (viton) seat. This model is certified lead-free for potable-water installations.

This stem extension kit is made to fit the 1 1/2 3C-M1 ball valve. This extension allows the valve to operate with up to 2 inches of insulation on hot and cold water lines.

Features

• Design for up to 2 inches of insolution
• Provides easier access for turning valve on or off
• Fits the 1 1/2 3C-M1 only
• No special tool required for installation

Common Questions

Will this kit fit my valve?

The SXI-HK-4A STEMEXTENTION fits the 1 1/2" size of Watts series LFFBV-3C M1 / LFFBVS-3C M1, design revision M1 only. Watts changed internal parts between revisions, so check the model stamped on your valve body or cover before ordering.

What's included in this kit?

This is a stem extension kit — it carries the factory parts for that subassembly only, not a whole-valve rebuild. See the Watts spec sheet for the exact part breakdown.

Are these genuine Watts parts?

Yes. This is the factory SXI-HK-4A STEMEXTENTION kit built with genuine Watts OEM components. Aftermarket parts can void your assembly approval and are commonly rejected by inspectors at annual test time.

Specifications

• Type: Ball
• Seat / Seal Material: FKM (Viton)
• Pack Quantity: 60
• Country of Origin: China
• Warranty: 1 Year Limited
• MPN: SXI-HK-4A STEMEXTENTION
• Lead-Free: Yes
• Product Role: repair_kit
• Kit Type: Stem Extension Kit
• Fits Brand: Watts
• Fits Valve Series: LFFBV-3C;LFFBVS-3C
• Fits Model Revision: M1
• Fits Valve Size: 1 1/2"
• Used With: 1 1/2" LFFBV-3C M1;1 1/2" LFFBVS-3C M1
• Watts Ordering Code: 0789545
• Genuine OEM Parts: Yes