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Products Heat Exchangers Straitube® Heat Exchangers

Straitube® Heat Exchangers 

Made from straight copper tubes and designed to give greater heat transfer efficiency. Free circulation in the shell and heaters reduces frictional resistance and pressure drop. Straight tubes make for easy cleaning. Removable headers. No acid or chemicals necessary. Provide a decided advantage over other types of heaters in hard water territories.

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Standard Straitube® Heat Exchangers

Standard Straitube® Heat Exchangers

Thrush Straitube® Heat Exchangers are designed to produce greater heat transfer properties than other competitors designs. Low pressure drop and easy cleaning are a decided advantage over other types of heaters in hard water territories, this is why you need a Thrush Straitube® Heat Exchanger for your application.

Product Details
Stainless Steel Straitube® Heat Exchangers

Stainless Steel Straitube® Heat Exchangers

Provides the similar heat transfer efficiency as our copper Straitube® Heat Exchangers, but constructed of all stainless steel rather than carbon steel and copper. Like the standard Straitube®, works exceptionally well for heating domestic water, hot water radiation as a converter, cooling, or preheating liquids.

Product Details

Straitube® Heat Exchangers Information


Operating Pressures125 psig working pressure
Operating Temperature295°F
MaterialsFront head cast iron
Rear head cast iron
Tubing 3/4” copper .035 wall thickness


Operating Pressures125 psig working pressure
Operating Temperature295°F
MaterialsTube sheets carbon steel
Shell carbon steel pipe

Optional Features

All Dimensions in Inches
Tubing18 Ga. Copper – 0.049 Thickness
90/10 CU/NI – 0.049 Thickness
Carbon Steel – 0.065 Thickness
304 Stainless – 0.049 Thickness
316 Stainless – 0.049 Thickness
HeadsCast stainless steel
ShellSeries 300 stainless steel

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Hydronic System

promising quality since 1923

For All Your Hydronic Solutions, Think Thrush. 

We don’t just talk about the quality and superiority of our products. We prove it. Every Thrush product is skillfully designed and rigorously tested to meet our standard. And our standard is simple: our heating and cooling products need to be the best in the hydronics market.

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765-472-3351 340 W 8th Street, Peru, IN 46970