Get a dependable heat exchanger from Grainger for your next HVAC project. Choose from brazed plate, shell and tube, double wall brazed plate and plate and frame types. You'll find heat exchangers that transfer heat water to water, oil to water and R22 to water. Some models offer more than one heat transfer option. With such a wide selection at Grainger, you're bound to find a heat exchanger that fits your application. Shop today!