Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
APOLLO Pressure Vaccum Breaker 1 in: 4A505A2F, FNPT x FNPT, For Potable Water Media - Pressure Vacuum Breakers
APOLLOPressure Vacuum Breakers

APOLLO Pressure Vaccum Breaker 1 in: 4A505A2F, FNPT x FNPT, For Potable Water Media

The APOLLO Pressure Vacuum Breaker 1 in: 4A505A2F is a pressure vacuum breaker with FNPT x FNPT connections, designed for potable water media. It operates within a temperature range of 33°F to 140°F. This APOLLO…

SKU 3G-OTH-430696

Brand
APOLLO
Item
Pressure Vaccum Breaker 1 in: 4A505A2F, FNPT x FNPT, For Potable Water Media
Category
Pressure Vacuum Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

APOLLO
Manufacturer Part Number
4A505A2F
Type
FNPT x FNPT, For Potable Water Media, 33°F – 140°F
Connection Type
FNPT x FNPT

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The APOLLO Pressure Vacuum Breaker 1 in: 4A505A2F is a pressure vacuum breaker with FNPT x FNPT connections, designed for potable water media. It operates within a temperature range of 33°F to 140°F. This APOLLO product is identified by manufacturer part number 4A505A2F.

Frequently Asked Questions

What is the APOLLO Pressure Vacuum Breaker 1 in: 4A505A2F used for?

The APOLLO Pressure Vacuum Breaker 1 in: 4A505A2F is used to prevent backflow of non-potable water into potable water supplies. It is installed in commercial and residential plumbing systems to protect drinking water from contamination, operating with FNPT x FNPT connections for potable water media.

What are the specifications of the APOLLO Pressure Vacuum Breaker 4A505A2F?

The APOLLO Pressure Vacuum Breaker 4A505A2F has a 1-inch size with FNPT x FNPT connection type. It is designed for potable water media and operates within a temperature range of 33°F to 140°F. The manufacturer part number is 4A505A2F.

Where to buy the APOLLO Pressure Vacuum Breaker 4A505A2F worldwide?

3G Electric supplies the APOLLO Pressure Vacuum Breaker 4A505A2F worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine APOLLO part for your potable water backflow prevention needs.

How to install the APOLLO Pressure Vacuum Breaker 1 in: 4A505A2F?

Install the APOLLO Pressure Vacuum Breaker 1 in: 4A505A2F vertically at least 12 inches above the highest downstream outlet. Ensure FNPT connections are properly sealed with thread tape. Follow local plumbing codes and manufacturer guidelines for potable water systems to prevent backflow contamination.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

APOLLO Products

3G Electric supplies APOLLO pressure vacuum breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
This lead-free hose bibb vacuum breaker provides back-siphonage protection for low health hazard water applications. It features a bronze body with satin brass finish, Buna-N seals, EPDM seat, and stainless steel spring and check mechanism. The automatic drain type and break-away set screw are included. Connections are 3/4 in Female GHT x Male GHT, with an operating temperature range of 33°F to 180°F. NSF Listed
APOLLO
This lead-free hose bibb vacuum breaker provides back-siphonage protection for low health hazard water applications. It features a bronze body with satin brass finish, Buna-N seals, EPDM seat, and stainless steel spring and check mechanism. The automatic drain type and break-away set screw are included. Connections are 3/4 in Female GHT x Male GHT, with an operating temperature range of 33°F to 180°F. NSF Listed
Dual check vacuum breaker backflow preventer for hose connection applications. Features a 3/4 in pipe size with female garden hose thread (FGHT) x male garden hose thread (MGHT) connections. Supports a flow rate of 21 gpm. Used to prevent backflow of contaminated water into potable water lines
APOLLO
Dual check vacuum breaker backflow preventer for hose connection applications. Features a 3/4 in pipe size with female garden hose thread (FGHT) x male garden hose thread (MGHT) connections. Supports a flow rate of 21 gpm. Used to prevent backflow of contaminated water into potable water lines
ASME Section IV hot water pressure relief valve with bronze body and FNPT x FNPT connections. Opens automatically to relieve excess pressure at 75 psi maximum operating pressure. Used in hydronic heating systems to protect boilers and water heaters from overpressure conditions
APOLLO
ASME Section IV hot water pressure relief valve with bronze body and FNPT x FNPT connections. Opens automatically to relieve excess pressure at 75 psi maximum operating pressure. Used in hydronic heating systems to protect boilers and water heaters from overpressure conditions
APOLLO Vacuum Breaker: Female GHT x Male GHT, For Water Media, 33°F – 180°F, Bronze, Back-Siphonage (MPN 38LF314AS)
APOLLO
APOLLO Vacuum Breaker: Female GHT x Male GHT, For Water Media, 33°F – 180°F, Bronze, Back-Siphonage (MPN 38LF314AS)
This dual check hose bibb vacuum breaker provides back-siphonage protection for high health hazard water connections. It features a bronze body with satin brass finish, stainless steel spring and check mechanism, EPDM seat, and Buna-N seal. Connections are Female GHT x Male GHT. Includes manual drain and freeze protection. Suitable for outdoor hose bibbs in commercial, industrial, and irrigation systems
APOLLO
This dual check hose bibb vacuum breaker provides back-siphonage protection for high health hazard water connections. It features a bronze body with satin brass finish, stainless steel spring and check mechanism, EPDM seat, and Buna-N seal. Connections are Female GHT x Male GHT. Includes manual drain and freeze protection. Suitable for outdoor hose bibbs in commercial, industrial, and irrigation systems
APOLLO Backflow Repair Kit: 1/2 in_1 in Compatible Valve Size, 4V, 4W501/4W502/4W503 (MPN 4V50003)
APOLLO
APOLLO Backflow Repair Kit: 1/2 in_1 in Compatible Valve Size, 4V, 4W501/4W502/4W503 (MPN 4V50003)

More from APOLLO

View all APOLLO parts →
Pressure vacuum breaker with FNPT x FNPT connections for potable water media. Rated for operating temperatures from 33°F to 140°F. Used in plumbing systems to prevent backflow of non-potable water into potable water supply lines under continuous pressure conditions
APOLLO
Pressure vacuum breaker with FNPT x FNPT connections for potable water media. Rated for operating temperatures from 33°F to 140°F. Used in plumbing systems to prevent backflow of non-potable water into potable water supply lines under continuous pressure conditions