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Watts SAE-TC Plastic Cap 1/8 SAE for LF4000B Backflow Preventer - Caps & Tethers
WattsCaps & Tethers

Watts SAE-TC Plastic Cap 1/8 SAE for LF4000B Backflow Preventer

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
SAE-TC Plastic Cap 1/8 SAE for LF4000B Backflow Preventer
Part Number
SAE-TC Plastic Cap 1/8 SAE
Category
Caps & Tethers
Available to Order
Also known as:SAE-TC Plastic Cap 1/8 SAEWatts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
The Watts LF7 is a dual check backflow preventer for potable water systems, featuring a 3/8 in pipe size with FNPT x FNPT connections. It has a flow rate of 10 gpm and an overall length of 2.88 in. This device is used to protect drinking water supplies from contamination due to backflow in branch lines serving fixtures such as hose bibbs or boiler fill valves
Watts
The Watts LF7 is a dual check backflow preventer for potable water systems, featuring a 3/8 in pipe size with FNPT x FNPT connections. It has a flow rate of 10 gpm and an overall length of 2.88 in. This device is used to protect drinking water supplies from contamination due to backflow in branch lines serving fixtures such as hose bibbs or boiler fill valves
Watts LF7R dual check backflow preventer for potable water systems. Features 3/4 in pipe size with True Union FNPT connections, 15.5 gpm flow rate, brass body, and EPDM seals. Used in residential and commercial plumbing to prevent backflow contamination
Watts
Watts LF7R dual check backflow preventer for potable water systems. Features 3/4 in pipe size with True Union FNPT connections, 15.5 gpm flow rate, brass body, and EPDM seals. Used in residential and commercial plumbing to prevent backflow contamination
Double check backflow preventer with 1-1/2 in FNPT x FNPT connections and ball valve shut-off. Overall length 21.75 in. Temperature range 33°F – 180°F. Used in commercial and industrial water systems to prevent backflow in non-hazardous conditions, such as fire sprinkler, irrigation, and process water lines
Watts
Double check backflow preventer with 1-1/2 in FNPT x FNPT connections and ball valve shut-off. Overall length 21.75 in. Temperature range 33°F – 180°F. Used in commercial and industrial water systems to prevent backflow in non-hazardous conditions, such as fire sprinkler, irrigation, and process water lines

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