Expansion Tank Brackets for Water Heater & Hydronic Systems
The Easywell Expansion Tank Bracket Series offers durable, precision-built, and corrosion-resistant mounting solutions for water heater and thermal expansion tanks.
Each model is designed to provide safe installation, vibration control, and long-term reliability in residential, commercial, and industrial heating systems — even under humid or saline conditions.
Product Range Overview
Bowed Expansion Tank Bracket – For Wet & Corrosive Environments
The Sealed Bowed Expansion Tank Bracket Kit provides a moisture-proof and corrosion-resistant solution for environments with high humidity or chemical exposure.
Applications:
Bathroom and shower-room boiler closets (RH ≥ 85%)
Marine and coastal installations exposed to salt air
Industrial laundries, kitchens, and dish-washing areas
Underground or semi-flooded mechanical rooms
Food & beverage production lines, breweries, dairies
Chemical or water-treatment systems with corrosive vapors
Key Features:
Stainless-steel or epoxy-coated carbon-steel body
Bowed load-bearing frame evenly distributes stress
Sealed joints prevent vapor ingress
Optional drain port and wall-mount bracket for wet zones
Best for humid, saline, or chemical environments requiring corrosion-proof expansion tank support.
Round Expansion Tank Bracket – For Residential & Standard Heating
The Heavy-Duty Round Expansion Tank Bracket Kit is engineered for residential and light-commercial hydronic systems, ensuring quick installation and long service life.
Applications:
Domestic water heaters and central heating loops
Apartment and multi-family building boiler systems
HVAC mechanical rooms and service shafts
Solar-thermal and renewable heating systems
Commercial offices, hospitals, and hotels
Key Features:
Zinc-plated carbon-steel construction
Adjustable clamp for Ø160–300 mm tanks
Wall-mount bracket with anti-vibration padding
Supports up to 60 kg (132 lb)
Ideal for general residential or commercial hydronic applications.
Square Expansion Tank Bracket – For Compact Hydronic Systems
The Square Expansion Tank Bracket Kit delivers a compact, rigid, and modular design — ideal for tight technical spaces, heat-pump systems, and OEM equipment modules.
Applications:
Compact boiler cabinets and heat-pump enclosures
Prefabricated hydronic panels or industrial skids
Containerized and mobile heating units
District-heating substations
Factory-assembled modular HVAC systems
Key Features:
Square frame 250 × 250 mm with reinforced corners
Powder-coated steel for anti-corrosion protection
Threaded connection ports for pressure gauge and vent
Compact structure for space-restricted installations
Perfect for modular and OEM installations where space and reliability matter.
Comparison & Selection Guide
| Feature | Bowed Bracket | Round Bracket | Square Bracket |
| Ideal Environment | Wet, humid, or corrosive zones | Standard residential or commercial heating | Compact and modular hydronic systems |
| Material | Stainless steel / Epoxy-coated carbon steel | Zinc-plated carbon steel | Powder-coated carbon steel |
| Design Structure | Bowed, sealed frame | Round adjustable clamp | Square reinforced frame |
| Tank Type | Cylindrical / vertical tanks | Round standard tanks | Compact or custom systems |
| Mounting Type | Wall / ceiling | Wall mount | Wall / frame mount |
| Max Load Capacity | ≤ 50 kg | ≤ 60 kg | ≤ 45 kg |
| Primary Function | Anti-corrosion and moisture-proof installation | General-purpose support for domestic systems | Compact, modular, OEM applications |
| Distinct Advantage | Sealed and chemical resistant | Adjustable clamp and easy fitting | Space-saving and highly stable design |
Selection Tips:
For wet or corrosive sites → Bowed Bracket
For general household or commercial systems → Round Bracket
For compact or modular systems → Square Bracket
For OEM or non-standard setups → contact Easywell for custom design
Installation & Maintenance Guide
Installation
Mounting: Mark anchor holes and install wall plugs rated ≥ 10 kg each. Level the bracket horizontally.
Tank Connection: Connect the expansion tank to the ¾″ male thread with PTFE tape for sealing.
System Connection: Attach inlet/outlet pipes (Ø32 or Ø42 mm) and ensure gasket alignment.
Pressure Test: Fill the system and verify gauge stability and leak-free joints.
Final Adjustment: Confirm safety-valve and air-vent orientation before operation.
Maintenance
Inspect brackets, fasteners, and seals every 6–12 months.
Replace O-rings and gaskets showing wear or corrosion.
Clean gauge face; recalibrate if necessary.
Re-coat exposed surfaces in humid or coastal sites every 2 years.
Avoid over-tightening during tank reinstallation.
Technical Specifications
| Specification | Bowed Bracket | Round Bracket | Square Bracket |
| Overall Length | 271 mm | 280 mm | 280 mm |
| Center Distance | 195 mm | 248 mm | 195 mm |
| Pipe Diameter | Ø32 × 1.5 mm | Ø42 × 2 mm | Ø32 mm square tube |
| Wall Plate Width | 70–90 mm | 70 mm | 90 mm |
| Vertical Height | 106 mm | 57 mm | 70 mm |
| Port Threads | ¾″ M / ½″ F / ¼″ Gauge | ¾″ M / ½″ F / ¼″ Gauge | ¾″ M × 2 / ½″ F / ¼″ Gauge |
| Material | Stainless / Epoxy-coated Carbon Steel | Zinc-plated Carbon Steel | Powder-coated Carbon Steel |
| Max Load Capacity | ≤ 50 kg | ≤ 60 kg | ≤ 45 kg |
| Operating Pressure | ≤ 10 bar | ≤ 10 bar | ≤ 10 bar |
| Temperature Range | –10 °C ~ 110 °C | –10 °C ~ 110 °C | –10 °C ~ 110 °C |
| Surface Finish | Epoxy / Zinc / Nickel | Zinc Plating | Powder Coating |
| Mounting Type | Wall / Ceiling | Wall Mount | Wall / Frame |
| Typical Use | Wet or coastal installations | Residential heating systems | Compact mechanical modules |
Expanded Application Overview
The Easywell Expansion Tank Bracket Series supports an extensive range of uses across multiple industries:
Residential & Commercial Heating Systems: Reliable support for water-heater and hydronic expansion tanks in homes, hotels, schools, and office buildings.
Industrial Boiler Rooms: Provides secure tank positioning for pressure and expansion control in steam or hot-water plants.
Solar & Renewable Energy Systems: Ensures thermal expansion management in solar-heating and hybrid renewable circuits.
Marine & Coastal Facilities: Corrosion-resistant mounting in ship engine rooms, coastal apartments, and seaside infrastructure.
Food & Beverage Production: Hygienic, easy-clean design suitable for dairies, breweries, and commercial kitchens.
Chemical & Water Treatment Plants: Withstands chemical vapor, high moisture, and aggressive cleaning agents.
HVAC & Heat Pump Modules: Integrates seamlessly with modular HVAC panels and compact hydronic equipment.
Mobile & Containerized Systems: Rigid, vibration-resistant design ideal for portable heating units or temporary installations.
District Heating Substations: Durable support for expansion tanks in centralized heating networks.
Prefabricated Industrial Skids: Stable integration for transportable or skid-mounted assemblies.
Each model combines structural strength, corrosion resistance, and installation versatility, making Easywell brackets a dependable choice for professional HVAC and plumbing applications worldwide.
Frequently Asked Questions (FAQ)
Q1. What is an expansion tank bracket used for?
An expansion tank bracket supports and stabilizes an expansion tank within a heating or plumbing system. It prevents movement caused by thermal expansion and vibration, protecting connected pipes and fittings.
Q2. Which bracket type should I choose for my system?
Choose the Bowed Bracket for bathrooms, coastal, or chemical environments.
Choose the Round Bracket for standard water-heater and hydronic systems.
Choose the Square Bracket for compact mechanical rooms or modular equipment.
Q3. Can Easywell brackets be customized?
Yes. We offer OEM and ODM customization for material, size, thread type, surface finish, and mounting orientation to meet specific project needs.
Q4. How do I prevent corrosion during long-term use?
Ensure proper coating selection (epoxy or stainless), perform periodic cleaning, and re-coat every two years in humid or marine conditions.
Q5. Are these brackets suitable for both wall and ceiling installations?
Yes. The Bowed and Square brackets support wall or ceiling mounting, while the Round bracket is optimized for standard wall mounting.
Q6. What maintenance schedule is recommended?
Visual inspection every 6–12 months; check for rust, leaks, or loose fasteners; and verify gauge calibration during annual service.
