Everbilt 2 gal. Thermal Expansion Tank, EF-TET-2T2 Gallon Water Heater Thermal Expansion Tank This Everbilt 2 gallon thermal expansion tank protects closed residential water systems from dangerous pressure build up. Its butyl diaphragm absorbs expanding water volume inside a 16 gauge cold rolled steel shell with a corrosion resistant coating for long service life. Key Features: Butyl Diaphragm System: Absorbs expanding water to stabilize pressure in closed systems Durable Construction: 16 gauge cold

2-Gallon Water Heater Thermal Expansion Tank

This Everbilt 2-gallon thermal expansion tank protects closed residential water systems from dangerous pressure build-up. Its butyl diaphragm absorbs expanding water volume inside a 16-gauge cold-rolled steel shell with a corrosion-resistant coating for long service life.

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Key Features:

• Butyl Diaphragm System: Absorbs expanding water to stabilize pressure in closed systems
• Durable Construction: 16-gauge cold rolled steel shell with high-quality anti-corrosion coating
• Ready to Use: Factory pre-charged to 40 psi for quick installation
• High Performance Ratings: 150 psi max pressure and 200°F max temperature
• Secure Connections: Stainless steel 3/4 in. MIP with hex; brass air charging port with O-ring

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Nominal Tank Capacity	2 gal
Application	Water Heater; residential closed water systems
Material	16-gauge cold rolled steel shell; butyl diaphragm
Finish/Color	Beige/Bisque high quality corrosion-resistant coating
Connection	Stainless steel 3/4 in. MIP with hex
Air Charging Port	Brass with O-ring seal
Factory Pre-Charge	40 psi
Maximum Working Pressure	150 psi
Maximum Temperature	200°F
Certifications	cUPC certified; NSF/ANSI 61 compliant
Dimensions	Height 12.5 in; Width 8 in; Depth 8 in
Compatible Brand/Model	Comparable to Watts DET-5; Eastman 60022
Pack Size	1
Warranty	5-year limited warranty
Product Weight	5 lb

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Frequently Asked Questions (FAQ):

Q: What size water heaters is this compatible with?
A: It is designed for residential closed water systems; consult the compatibility chart and sizing guide to match your heater and system pressure.

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Q: What is the factory pre-charge and can it be adjusted?
A: The tank is factory pre-charged to 40 psi and can be adjusted to match your system’s cold water pressure.

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Q: What are the connection fittings?
A: It uses a stainless steel 3/4 in. MIP connection with hex for secure installation.

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Q: What are the operating limits?
A: Maximum working pressure is 150 psi and maximum temperature is 200°F.

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Q: Is it certified for potable water?
A: Yes, it is cUPC certified and NSF/ANSI 61 compliant for potable water applications.

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Quiet Confidence for Your Utility Room

This compact expansion tank brings a refined, bisque finish to the often-forgotten corners of the home, ensuring your water system runs whisper-quiet and reliably. The smooth cylindrical form and crisp hex connection offer a subtle, engineered elegance. Tuck it beside a water heater and pair with clean copper runs for a polished, intentional look. It’s a small upgrade with a luxury payoff—comfort, protection, and peace of mind.

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Protect your water heater and stabilize household water pressure—add this Everbilt 2-gallon expansion tank to your system today.

Warranty