or failure of the valve to open/close fully under rated pressure usually indicates that the diaphragm or plunger assembly requires replacement using an ASCO 302-308 Rebuild Kit

Whether you are troubleshooting a draft failure or upgrading an existing draft management system

This veteran-grade hardware utilizes anti-jitter circuitry to eliminate "hunting

replacing the entire assembly is often the standard practice to ensure long-term reliability and compliance with original equipment manufacturer specifications

Carrier 51771U Ignitor 318423-701 or failure of the valveThe Carrier 51771U Ignitor is a high performance Beckett PowerLight electronic oil igniter designed for direct field replacement on Beckett A, AF, AFG, and NX burners. This solid state 120VAC unit provides a robust 20kV peak output to ensure reliable ignition of the fuel air mixture, effectively replacing older, bulkier iron core transformers. The 51771U igniter features a vacuum encapsulation process using synthetic resin, which delivers superior