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Item #:
37536534
Caleffi 553642A AutoFill Automatic Boiler Filling Valve
86% of respondents would recommend this to a friend
Item #:
37536534
QAR 440
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Order now and get it around Thursday, September 10
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Automatic Boiler Filling Valve with Gauge
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What Stands Out
Automatic Operation
The AutoFill valve provides automatic water filling for boilers, ensuring optimal pressure maintenance without manual intervention, enhancing efficiency and reducing the risk of system damage.
High Reliability
Constructed with durable materials, this valve offers long-lasting performance and dependability, thereby minimizing maintenance needs and increasing system longevity, making it a cost-effective solution for boiler systems.
Easy Installation
Designed for straightforward installation, the Caleffi valve integrates seamlessly into existing systems, saving time and labor costs while ensuring quick operational readiness for boiler applications.
Product Details
- Pre-adjustable, automatic filling valve
- Includes manual shut-off valve, strainer, and check valve
- Features anti-scale with visual system pressure setting indicator
- Brass body with a maximum inlet pressure of 230 psi
- Maximum working temperature of 150°F
- Preset outlet pressure at 15 psi
| Brand Name | Caleffi |
| Model Number | 553642A |
| Number of Packs | 1 |
| Global Trade Identification Number | 08016615504927 |
| Unit Count | 1 Count |
| Manufacturer | Caleffi |
| Number of Items | 1 |
| Included Components | Caleffi 553642A AutoFill Automatic Boiler Filling Valve |
| Item Type Name | Caleffi 553642A AutoFill Automatic Boiler Filling Valve |
| Item Weight | 1.8 pounds (820 grams) |
| Manufacturer Part Number | 553642A |
| Exterior Finish | Brass |
| Inlet Connection Type | National Pipe Tapered |
| Outlet Connection Type | NPT |
| Number of Ports | 2 |
| Thread Size | NPT |
| Thread Type | NPT |
| Valve Type | check valve |
| Item Dimensions | 7 x 15 x 5 inches (17.8 x 38.1 x 12.7 cm) |
| Size | 15 inches width, 7 inches length, 5 inches height (38.1 cm) |
| Material Type | Brass |
| Specification Met | ASME, ASTM, ANSI |
| Material | Brass |
| Brand | Caleffi |
| Item dimensions L x W x H | 7 x 15 x 5 inches (17.8 x 38.1 x 12.7 cm) |
Who Should Buy?
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Homeowners
Ideal for homeowners seeking efficient boiler maintenance without frequent manual adjustments in water levels.
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Plumbing Professionals
Plumbers benefit from easy installation and reliable performance that minimizes callbacks for filling issues.
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HVAC Technicians
HVAC technicians appreciate the automatic filling feature that enhances system reliability during regular maintenance services.
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DIY Enthusiasts
DIY users may struggle with installation complexities and adjustments, leading to potential mistakes in setup.
Product Description
Caleffi 553642A AutoFill Automatic Boiler Filling Valve
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Customer Questions & Answers
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Question:
What is the Caleffi 553642A AutoFill Automatic Boiler Filling Valve?
Answer: The Caleffi 553642A AutoFill Automatic Boiler Filling Valve is a device designed to automatically fill your boiler system with water as needed. It maintains optimal water levels, ensuring efficient operation and protecting against low water conditions. This valve is particularly useful in residential and commercial heating systems, providing a hassle-free solution for maintaining boiler performance without the need for manual intervention. -
Question:
How does the Caleffi 553642A Automatic Filling Valve work?
Answer: The Caleffi 553642A functions by monitoring the water pressure within the boiler system. When the pressure drops below a preset level, the valve opens to allow water flow into the system until the correct pressure is restored. This self-regulating mechanism helps prevent boiler damage due to low water levels, making it a practical choice for maintaining system integrity and performance. -
Question:
What are the advantages of using an automatic filling valve?
Answer: Using an automatic filling valve like the Caleffi 553642A offers numerous advantages, including reduced manual labor for monitoring water levels and enhanced safety features that prevent system failures. Additionally, it optimizes thermal efficiency by ensuring consistent water pressure, providing smooth operation for both heating and cooling systems, which can help extend the lifespan of your boiler. -
Question:
Is the installation of the Caleffi 553642A difficult?
Answer: Installing the Caleffi 553642A is typically straightforward, especially for someone with plumbing experience. It usually involves connecting it to your existing boiler setup and making necessary adjustments to ensure proper operation. To achieve the best results, following the manufacturer’s installation guidelines is crucial, and professional installation may be recommended for complex systems to ensure optimal performance. -
Question:
Can the Caleffi 553642A be used with any boiler type?
Answer: The Caleffi 553642A is versatile and compatible with various types of boiler systems, including both residential and commercial boilers. However, it’s essential to review your boiler’s specifications to confirm compatibility. This valve is an excellent choice for hot water and steam systems, ensuring a continuous and efficient operation while maintaining safe pressure levels within the system. -
Question:
What materials is the Caleffi 553642A made of?
Answer: The Caleffi 553642A is constructed from high-quality, durable materials, typically including brass and plastic components designed to withstand heat and corrosion. Such materials ensure long-term reliability and performance, making the valve suitable for a variety of boiler applications. This robust construction helps to enhance the device's lifespan and efficiency in maintaining water levels. -
Question:
How do I maintain the Caleffi 553642A AutoFill Valve?
Answer: Maintenance of the Caleffi 553642A generally involves periodic inspections to ensure the valve is functioning correctly. This includes checking for leaks and ensuring that the automatic mechanisms are unobstructed and in good working order. Regular maintenance can help identify any potential issues before they escalate, which in turn maintains system efficiency and extends the life of your boiler. -
Question:
What pressures does the Caleffi 553642A operate at?
Answer: The Caleffi 553642A is designed to operate within a specified pressure range, typically between 1 to 3 bar. This range allows it to effectively monitor and maintain optimal water levels in boiler systems. Adhering to the recommended pressure levels is essential as operating outside this range can lead to inefficiencies or even system failure, underscoring the importance of this valve in residential and commercial heating applications. -
Question:
Does the Caleffi 553642A help prevent scale buildup?
Answer: The Caleffi 553642A can contribute to reducing scale buildup in your boiler by maintaining consistent water levels and pressure, thus facilitating improved water circulation and heat transfer. While it doesn’t directly include features specifically for scale prevention, consistent operation and proper maintenance associated with this valve can lead to a healthier boiler environment that minimizes the conditions favoring scale formation. -
Question:
Where can I buy the Caleffi 553642A AutoFill Automatic Boiler Filling Valve?
Answer: You can buy the Caleffi 553642A AutoFill Automatic Boiler Filling Valve at Ubuy in Qatar. Ubuy offers a convenient online shopping experience, providing access to a variety of products and ensuring you can find the specific valve you need for your boiler system.
Caleffi Valves 553642A Editorial Review
Caleffi 553642A AutoFill Automatic Boiler Filling Valve offers a reliable solution for maintaining hydronic water pressure. Users have reported immediate success after installation, achieving a steady pressure of 10 PSI, making this valve an excellent choice for DIY enthusiasts. constructed from quality brass, it features an easy-to-set pressure mechanism and includes a gauge for accurate monitoring. Its compatibility and easy installation mean it can seamlessly replace older boiler fill valves, eliminating the need for pricey plumber services. Additionally, proper maintenance, such as keeping the water clean, is emphasized by users to ensure optimal performance during winter months.
Customer Reviews & Ratings
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Pros
- Easy installation ensures quick setup.
- Maintains water pressure reliably at 10 PSI.
- constructed from durable brass material.
- Includes a gauge for accurate pressure monitoring.
- Compatible with older boiler systems.
Cons
- Might require occasional maintenance for optimal performance.
Platform Trust & Buyer Confidence
DA
Dhoha
Verified buyer
“Was looking for chromatography filters and managed to find them and receive them in a short period of time. Great experience”
22 January 2026 · via Trustpilot
PP
Pretty
Verified buyer
“It was timely”
4 July 2026 · via Trustpilot
HA
hamza
Verified buyer
“Timely delivery and transparency”
19 February 2026 · via Trustpilot
MF
Mayerlyn
Verified buyer
“Excelente servicio y hasta la puerta de casa ??”
14 February 2026 · via Trustpilot
LR
Leon
Verified buyer
“The delivery time exceeded my expectations. The product was securely packaged.”
20-Jul-26 · via Trustpilot
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QAR 440
Order now and get it around Thursday, September 10
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Features & Benefits
- Pre-adjustable and anti-scale valve
- Visual system pressure setting indicator
- Complete with manual shut-off valve, strainer and check valve
- Max inlet pressure: 230 psi
- Max working temp: 150ËšF
- Preset outlet pressure: 15 psi
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