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The Honeywell R845A1030/U is a hydronic switching relay designed to control heating applications. This device operates at 24 VAC and supports up to 0.4 amps of current. It features two poles, with one pole for line voltage and the other for low voltage. The relay provides reliable operation in heating systems and includes an integral transformer and enclosure for convenience and safety.
This switching relay is efficient for controlling hydronic heating systems.
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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