Johnson Controls P72AA-1 Pressure Control Refrigerant The Allanson 421-BT387 is a

The Allanson 421-BT387 is a heavy-duty ferromagnetic ignition transformer designed for constant-duty service in high-demand oil heating systems

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Ensure your ECM blower motor troubleshooting includes a verified signal from this genuine ICP 1177656 interface to avoid unnecessary motor replacements

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Johnson Controls P72AA-1 Pressure Control Refrigerant The Allanson 421-BT387 is aThe Johnson Controls P72AA 1 is a robust DPST low pressure control designed for heavy duty commercial refrigeration and HVAC systems. Engineering for reliability, this two pole pressure switch features a Close High Open Low action, making it an essential component for high current load applications where direct control of single phase motors is required without the need for additional contactors. This model operates within a pressure range of 20" Wc