Sertec is a stocking location of the Westinghouse type D4B-3FM Relay, Catalog Number: 10Y047576-043. We are also setup to recondition, repair, and re-calibrate your existing type D4B-3FM Relay. All Westinghouse type D4B-3FM Relay comes with a full one year warranty.
Please send us an email inquiry at sertec@cbsalesne.com or call us 24/7. Call 203-888-7500!