What is the Fluidmaster PRO45B Adjustable Ballcock?

The Fluidmaster PRO45B Adjustable Ballcock is a high-performance toilet fill valve designed to ensure efficient water filling in your toilet tank. This ballcock features a streamlined design that allows for easy adjustment of water levels, contributing to your toilet's overall performance. It's particularly beneficial for homeowners looking to reduce water waste by adjusting the fill height according to their specific tank size and needs.

How does the Fluidmaster PRO45B work?

The Fluidmaster PRO45B operates using a float system that regulates water flow into the toilet tank. As the tank fills, the float rises, shutting off the water flow when the desired tank level is reached. This mechanism ensures a consistent supply of water without overflow. In practice, this means that your toilet can refill quickly and quietly, preventing water wastage and enhancing your bathroom's efficiency.

Can I install the Fluidmaster PRO45B myself?

Yes, the Fluidmaster PRO45B is designed for easy installation and comes with clear instructions for DIY enthusiasts. It typically involves turning off your water supply, draining the tank, and replacing the old valve with the new one. This ability to perform the installation yourself can save on plumbing costs and gives you an opportunity to maintain your toilet effectively.

Is the Fluidmaster PRO45B compatible with all types of toilets?

The Fluidmaster PRO45B is compatible with most standard toilet models, making it a versatile choice for various installations. It features adjustable settings that allow it to fit both 2-inch and 3-inch flush valves. This adaptability ensures that whether you're upgrading an old toilet or replacing an outdated system, the PRO45B can meet your needs.

What benefits does the adjustable feature provide?

The adjustable feature of the Fluidmaster PRO45B allows you to modify the water level in your toilet tank according to your preferences. This is particularly useful in optimizing water use and ensuring that your toilet operates efficiently. For example, by lowering the water level, you can save on water consumption without affecting the flushing performance of your toilet.

How can I troubleshoot issues with the Fluidmaster PRO45B?

Common issues, such as a running toilet or inadequate filling, can often be resolved by checking for obstructions, ensuring the valve is correctly adjusted, or examining the float mechanism for proper operation. It’s advisable to regularly inspect the parts for wear and tear to maintain peak performance. This proactive maintenance can help you identify and resolve issues before they become significant problems.

What is the expected lifespan of the Fluidmaster PRO45B?

The Fluidmaster PRO45B is made from durable materials, providing a long-lasting solution for toilet fill needs. While the exact lifespan can vary based on usage and installation conditions, the robust construction is designed to withstand regular use, contributing to a reliable toilet operation over time. This durability makes it a worthwhile investment for ensuring consistent performance in your bathroom.

Does the Fluidmaster PRO45B really reduce water consumption?

Yes, the Fluidmaster PRO45B is designed to prevent water wastage by allowing homeowners to customize the amount of water used during refilling. Since adjusting the water level can lead to decreased water consumption, homeowners can benefit from lower water bills. This feature is especially important for those who are environmentally conscious and looking for ways to promote sustainability in their homes.

What tools are needed for the installation of the Fluidmaster PRO45B?

Typically, installing the Fluidmaster PRO45B requires minimal tools – just an adjustable wrench and possibly a screwdriver. The simplicity of the installation process makes it accessible for an average homeowner. This means you can quickly and efficiently upgrade your toilet’s functionality without needing extensive plumbing knowledge or professional assistance.

Where can I buy Fluidmaster PRO45B Adjustable Ballcock in Hong Kong?

You can purchase the Fluidmaster PRO45B Adjustable Ballcock from Ubuy in Hong Kong. Ubuy offers a convenient shopping experience with a variety of plumbing supplies, ensuring you find the right valve for your needs. Their platform makes it easy to order online and have it delivered directly to your door.

How to Shop Fluidmaster PRO45B Adjustable Ballcock Online From Ubuy?

It’s easy to shop Fluidmaster PRO45B Adjustable Ballcock online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Fluidmaster PRO45B Adjustable Ballcock Available to Shop Online in Hong Kong?

Yes, at Ubuy Hong Kong this product is available for you to shop at a reasonable price. The Fluidmaster PRO45B Adjustable Ballcock is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Fluidmaster

Fluidmaster Adjustable Ballcock is a universal replacement for most ballcocks and can be used on 1 or 2 piece toilets. It refills quickly and quietly, and its height is adjustable from 9 to 14 inches.

Fluidmaster

Item #: 8981786

Fluidmaster PRO45B Adjustable Ballcock

87% of respondents would recommend this to a friend

Item #: 8981786

HKD 297

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Fluidmaster Adjustable Ballcock is a universal replacement for most ballcocks and can be used on 1 or 2 piece toilets. It refills quickly and quietly, and its height is adjustable from 9 to 14 inches.

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What Stands Out

Adjustable Height

Easily customizable height ensures a perfect fit for various tank sizes, promoting efficient water management and reducing overflow issues.

Quiet Operation

Innovative design significantly minimizes noise during filling, providing a peaceful bathroom experience without disruptive sounds in your household.

Durable Construction

High-quality materials ensure longevity and reliability, reducing the need for frequent replacements and saving money in plumbing expenses.

Product Details

Brand Name	Fluidmaster
Model Number	Pro45B
Number of Packs	1
Global Trade Identification Number	00039961455000
Unit Count	1 Count
Manufacturer	American Standard
Number of Items	1
UPC	039961455000
Included Components	Fluidmaster PRO45B Adjustable Ballcock
Item Type Name	Fluidmaster PRO45B Adjustable Ballcock
Item Weight	11.4 ounces (323.19 grams)
Manufacturer Part Number	PRO45B
Exterior Finish	Brass
Inlet Connection Type	threaded
Outlet Connection Type	Threaded
Number of Ports	2
Thread Size	1/2 inch NPT (30.5 cm)
Thread Type	NPT
Connector Type	Threaded
Valve Type	Ball Valve
Item Dimensions	13 x 4 x 4 inches (33 x 10.2 x 10.2 cm)
Inlet Connection Size	3 inches (7.6 cm)
Outlet Connection Size	3 inches (7.6 cm)
Material Type	Brass, Plastic
Specification Met	ASSE, FM, NSF, UPC, WaterSense
Material	Brass, Plastic
Brand	Fluidmaster
Item dimensions L x W x H	13 x 4 x 4 inches (33 x 10.2 x 10.2 cm)

Who Should Buy?

Home DIYers
Ideal for homeowners looking to replace or upgrade their toilet's fill valve for improved performance and efficiency.
Plumbers & Technicians
A great choice for professionals needing a reliable and adjustable ballcock for various toilet types during repairs.
Budget-Conscious Users
Perfect for those seeking a cost-effective solution without sacrificing quality for toilet refill mechanisms.

Low-Flow Toilets
Not suitable for ultra low-flow toilets, as it may not provide sufficient water for proper flushing.

Product Description

Fluidmaster PRO45B Adjustable Ballcock

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Customer Questions & Answers

Question: How to Shop Fluidmaster PRO45B Adjustable Ballcock Online From Ubuy?

Answer: It’s easy to shop Fluidmaster PRO45B Adjustable Ballcock online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Fluidmaster PRO45B Adjustable Ballcock Available to Shop Online in Hong Kong?

Answer: Yes, at Ubuy Hong Kong this product is available for you to shop at a reasonable price. The Fluidmaster PRO45B Adjustable Ballcock is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Fluidmaster Toilet Replacement Parts Pro45B Editorial Review

The Fluidmaster PRO45B Adjustable Ballcock is a sturdy and reliable option for those looking to upgrade their toilet's components. With a brass bottom, this ballcock is less likely to fail and cause flooding compared to those with plastic bottoms. The height is adjustable to accommodate various toilet types, and installation is easy and quick, taking less than 10 minutes. Customers have noted the improvement in their toilet's water level and reduction in water hammer sounds.

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Pros

Sturdy brass bottom reduces chances of flooding
Adjustable height for various toilet types
Easy and quick installation
Improved water level and reduced water hammer sounds

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“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot

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“Great products and services”

17 April 2026 · via Trustpilot

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“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”

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“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”

3 July 2026 · via Trustpilot

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“Great product, good packing, the goods arrived quickly and well protected.”

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Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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HKD 297

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Features & Benefits

Universal replacement for most ballcocks
Can be used on 1 or 2 piece toilets
Refills quickly and quietly
Adjustable height from 9 to 14 inches
Fluidmaster brand name
Model number: Pro45B

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Fluidmaster PRO45B Adjustable Ballcock

HKD 297

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Fluidmaster Toilet Replacement Parts Pro45B Editorial Review

Customer Reviews & Ratings

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Platform Trust & Buyer Confidence

WHY SHOP WITH US

Product Price History

Important information

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Features & Benefits

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