The company's proPANEL® mixing panel is available in four models: proPANEL 90, a single-zone pump without mixing; proPANEL 90M, a single-zone pump with mixing; proPANEL 90Z, a dual zone pump without mixing; and proPANEL 90MZ, a dual-zone pump with mixing. All models are designed for a maximum target of 90,000 Btuh and are fed with 1-in. tubing and 3/4-in. secondary connections.
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