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Control Units

Control Units

Control Units

Bell (DBA-4I) 4 Way Phone Isolator

Bell (DBA-4I) 4 Way Phone Isolator

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Bell (DBA-4I) 4 Way Phone Isolator The DBA-4I Isolator is used to distribute wiring to up to 4 flat..

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Bell (DBA-8Z) 8 Way Zone Controller

Bell (DBA-8Z) 8 Way Zone Controller

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Bell (DBA-8Z) 8 Way Zone Controller The DBA-8Z Isolator is used to distribute wiring to a ‘zone’ of..

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