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making it a versatile standard for commercial and residential hydronic heating upgrades
alongside a 3/8" NPT oil equalization port for parallel racking configurations
they rapidly absorb moisture which leads to acid formation and compressor failure
Which boiler models use this connection board
Bard 8620-237 Replacement Board Kit 320788-703 making it a versatile standardThe Bard 8620 237 Replacement Board Kit is a critical service component designed for precise HVAC control board replacement in specific Bard wall mount units. This kit functions as the primary logic controller for system sequencing, managing blower motor activation, compressor cycles, and safety circuit monitoring. Engineered for seamless integration, the 8620 237 terminal configuration ensures direct compatibility with existing wiring harnesses,
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