Extrol EX-60 - Water heaters and boilers Amtrol - Free user manual and instructions
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| Product Type | Expansion Tank |
| Brand | Amtrol |
| Model | Extrol EX-60 |
| Category | Water Heaters and Boilers |
| Application | Hydronic heating systems, thermal expansion control |
| Volume Capacity | 60 L (15.85 gallons) |
| Maximum Working Pressure | 100 psi (6.9 bar) |
| Maximum Temperature | 200°F (93°C) |
| Pre-charge Pressure | 12 psi (0.83 bar) |
| Connection Size | 1" NPT |
| Material (Shell) | Steel |
| Diaphragm Material | Butyl rubber |
| Dry Weight | 15.4 kg (34 lbs) |
| Dimensions (Diameter x Height) | 508 mm x 610 mm (20" x 24") |
| Mounting Orientation | Vertical or horizontal (with support) |
| Pre-charge Medium | Air (nitrogen recommended) |
| Compliance | ASME Section VIII, Div. 1 |
| Maintenance | Annual pre-charge check; no regular maintenance required |
| Safety | Recommended to install a pressure relief valve on system |
| Spare Parts Availability | Diaphragm kits available from Amtrol |
Frequently Asked Questions - Extrol EX-60 Amtrol
What is the purpose of an expansion tank like the Extrol EX-60?
The expansion tank absorbs excess water volume caused by thermal expansion in a closed hydronic system, preventing pressure spikes and protecting components like the pressure relief valve.
How does the Extrol EX-60 work?
It has a butyl diaphragm separating air (pre-charge) and water. As water expands, the diaphragm compresses the air cushion, allowing increased volume without raising system pressure excessively.
What is the pre-charge pressure and how do I check it?
The pre-charge pressure is 12 psi (0.83 bar). Check it with a tire pressure gauge at the air valve when the tank is empty (water side drained). Adjust with a compressor if needed.
How to install the Extrol EX-60 correctly?
Install on the inlet side of the boiler or water heater using a 1" NPT connection. Ensure proper support (bracket or stand) and keep the air valve accessible. Do not install downstream of a check valve.
What is the maximum temperature rating for the EX-60?
The maximum water temperature is 200°F (93°C). Do not exceed this limit to avoid damaging the diaphragm or tank shell.
Can I use the Extrol EX-60 for potable water systems?
No, it is designed for closed hydronic heating systems (non-potable). For potable water, use a potable water expansion tank with an FDA-approved diaphragm.
How do I size an expansion tank for my system?
Sizing depends on total water volume, temperature rise, and pressure. A rough estimate is 1 gallon of tank capacity per 10 gallons of system water. Use Amtrol's sizing calculator for accuracy.
What maintenance does the EX-60 require?
Minimal maintenance: annually check the pre-charge pressure and inspect for leaks. If water comes out of the air valve, the diaphragm is ruptured and the tank should be replaced.
What is the dry weight of the Extrol EX-60?
The dry weight is approximately 15.4 kg (34 lbs). Ensure the mounting structure can support this weight when filled with water (approximately 75 kg total).
Where can I buy replacement parts for the EX-60?
Replacement diaphragm kits are available from Amtrol dealers or online. Contact Amtrol customer service for part numbers and authorized distributors.
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USER MANUAL Extrol EX-60 Amtrol
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Product information
Brand : Amtrol
Model : Extrol EX-60
Category : Water heaters and boilers