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42203758-03SE

Honeywell 42203758-03SE – Cable: RS232 TTL, Connector: D 9 Pin F, power on pin 9, TX data on pin 2, coiled Length: 7.7ft. (2.3m)

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Honeywell 42203758-03SE is listed as “Cable: RS232 TTL, Connector: D 9 Pin F, power on pin 9, TX data on pin 2, coiled Length: 7.7ft. (2.3m)” in the 3800 Series Thermostat family.

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Verified ProductPart number confirmed
Global SourcingInternational network
12-Month WarrantyNew and Used products
Responsive SupportDedicated assistance