Extrol EX-15 - Water heaters and boilers Amtrol - Free user manual and instructions
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| Product Type | Expansion Tank for Water Heaters and Boilers |
| Model | Extrol EX-15 |
| Brand | Amtrol |
| Tank Capacity | 2 gallons (7.6 liters) |
| Maximum Working Pressure | 150 psi (10.3 bar) |
| Maximum Temperature | 240°F (115°C) |
| Connection Size | 3/4 inch male NPT |
| Pre-charge Pressure | 40 psi (2.8 bar) |
| Overall Height | 10.5 inches (26.7 cm) |
| Diameter | 9.5 inches (24.1 cm) |
| Weight | 4.8 lbs (2.2 kg) |
| Primary Function | Absorb thermal expansion in closed water systems |
| Construction Material | Steel tank with a butyl rubber diaphragm |
| Maintenance | Check air pre-charge annually; replace if diaphragm is damaged |
| Safety Features | ASME certified; temperature and pressure ratings |
| Spare Parts Available | Replacement diaphragms and air valve caps |
| Repairability | Non-repairable; must be replaced if faulty |
Frequently Asked Questions - Extrol EX-15 Amtrol
What is the purpose of the Extrol EX-15 expansion tank?
It absorbs pressure increases caused by thermal expansion in closed water systems, protecting plumbing fixtures and the water heater.
How do I install the EX-15 on my water heater?
Install it vertically on the cold water supply line near the water heater using a 3/4 inch NPT connection. Ensure the tank is supported and the system is depressurized.
What is the pre-charge pressure and how do I check it?
The pre-charge is set to 40 psi. Use a tire gauge on the Schrader valve. Adjust by adding or releasing air with a pump when the system is depressurized.
Can I use the EX-15 on a boiler system?
Yes, it is suitable for both water heaters and boilers, as long as the system pressure and temperature are within the tank's ratings.
What maintenance does the EX-15 require?
Annual checks of the air pre-charge and visual inspection for leaks or corrosion. Replace the entire tank if the diaphragm fails.
How do I know if the expansion tank is faulty?
Symptoms include water hammer, relief valve discharge, or low system pressure. If the tank is waterlogged (no air charge), it needs replacement.
What are the dimensions and weight of the EX-15?
Height: 10.5 in, diameter: 9.5 in, weight: 4.8 lbs. Compact for tight spaces.
Is the EX-15 repairable or must it be replaced?
The tank is sealed and non-repairable. If the diaphragm is ruptured, replace the entire unit.
What is the maximum temperature and pressure for the EX-15?
Maximum working pressure: 150 psi, maximum temperature: 240°F. Always stay within these limits.
Where can I find the manual for the Extrol EX-15?
Download the free PDF manual from notice-facile.com. It includes installation, troubleshooting, and safety instructions.
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USER MANUAL Extrol EX-15 Amtrol
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Product information
Brand : Amtrol
Model : Extrol EX-15
Category : Water heaters and boilers