Thermal Expansion Tank Therm-X-Span 2 Gallon 150 Pounds per Square Inch Gauge 3/4" NPTM Non-ASME 40 for Closed Potable Hot Water Systems to Control Pressure Build-up

Product Overview

Designed for use in closed, potable hot water systems, Therm-X-Span accepts expanded water as system temperature rises. This hot water is returned to the system when demand occurs. A thermal expansion tank, like Therm-X-Span, is essential in a closed system to protect your water heater.

• Heavy duty diaphragm
• Welded air stem to help eliminate leaks
• Polypropylene liner
• Reliable performance at an affordable price

Commonly Purchased with This Item     
denotes installation item.

Stainless Import Fittings Tee 3/4" 304 Stainless Steel 150 Threaded

$11.86 / ea

Stainless Import Fittings Elbow 90DEG 3/4" 304 Stainless Steel 150 Threaded

$7.88 / ea

Stainless Steel Nipples 34X6304 Nipple 304 Stainless Steel 3/4 x 6 Inch Weld Schedule 40

$8.54 / ea

Copper Fittings 34CFA Adapter 3/4 Inch Copper x Female NPT Wrot Copper 603

$8.81 / ea

Copper Fittings 34CMA Adapter 3/4 Inch Copper x Male NPT Wrot Copper 604

$6.79 / ea

Merit 3490LF Elbow 90DEG 3/4 Inch Lead Free Brass

$9.42 / ea

Nipples 34X6BR Nipple Red Lead Free Brass 3/4 x 6 Inch Threaded Both Ends Standard Schedule 40

$16.55 / ea

Merit 34TLF Tee 3/4 Inch Lead Free Brass

$11.58 / ea

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