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The Weil McLain 591-391-976 is a wiring harness control module designed for hydronic heating systems. This control module manages the operation of circulator pumps to ensure efficient heating performance. It is compatible with various Weil McLain boilers, making it a reliable choice for HVAC professionals looking for effective replacement components.
Use this control module to optimize your boiler's operation and ensure efficient heating cycles. Ideal for HVAC technicians and plumbing professionals.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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