bdr91
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A
Switching Honeywell R6660D with BDR91 wireless relay box
Combi boiler was connected to a Honeywell R6660D wireless relay box: N - Blue L - Empty L - Brown A - Empty B - White C - Black D - Empty E - Empty This has been swapped out and replaced with a Honeywell BDR91 wireless relay: N - Blue L - Empty L - Brown A - Empty B - White C - Black The...- AD2001
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- bdr91 honeywell r6660d
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- Forum: Plumbing and Central Heating