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Watts Cap: Cap, 4000B/LF4000B, Plastic, Backflow Preventer, 1/8 in Connection Size - Side 1 - Caps & Tethers
WattsCaps & Tethers

Watts Cap: Cap, 4000B/LF4000B, Plastic, Backflow Preventer, 1/8 in Connection Size - Side 1

The WATTS Cap is a plastic cap designed for use with the LF4000B series backflow preventer. It features a 1/8-inch male connection size on side one, with the manufacturer part number SAE-TC Plastic Cap 1/8 SAE. This…

SKU 3G-OTH-427313

Also listed as: SAETCPlasticCap18SAE · SAE TC Plastic Cap 1 8 SAE · SAE-TC-Plastic-Cap-1-8-SAE

Brand
Watts
Item
Cap: Cap, 4000B/LF4000B, Plastic, Backflow Preventer, 1/8 in Connection Size - Side 1
Category
Caps & Tethers
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
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Technical Specifications

Watts
Manufacturer Part Number
SAE-TC Plastic Cap 1/8 SAE
Type
4000B/LF4000B, Plastic, Backflow Preventer, 1/8 in Connection Size - Side 1, Male
Product Type
Cap
Compatible with Series
LF4000B
Compatible Product Type
Backflow Preventer

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Cap is a plastic cap designed for use with the LF4000B series backflow preventer. It features a 1/8-inch male connection size on side one, with the manufacturer part number SAE-TC Plastic Cap 1/8 SAE. This cap serves as a protective closure for compatible backflow preventer models.

Frequently Asked Questions

What is the WATTS Cap for LF4000B used for?

The WATTS Cap is a protective plastic closure designed for the LF4000B series backflow preventer. It seals the 1/8-inch male connection to prevent debris ingress and maintain system integrity in commercial or industrial water supply applications.

What are the specifications of the WATTS Cap SAE-TC Plastic Cap 1/8 SAE?

This cap is a plastic cap compatible with the Watts LF4000B series backflow preventer. It has a 1/8-inch male connection size on side one and carries the manufacturer part number SAE-TC Plastic Cap 1/8 SAE. It is designed as a protective closure for backflow prevention systems.

Where to buy the WATTS Cap for LF4000B worldwide?

3G Electric supplies the WATTS Cap for LF4000B series backflow preventers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the WATTS Cap on a backflow preventer?

To install the WATTS Cap, hand-tighten it onto the 1/8-inch male SAE connection of the LF4000B series backflow preventer. Use a wrench only if needed to achieve a snug fit without overtightening. Always depressurize the system before installation to avoid injury.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts caps & tethers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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