Strato BW437HFCU (R) SKU: BW437HFCU (R) $399.17 $1,056.00 Quantity -+ Details Strato BW437HFCU (R) : BACwall 437 (above) w/ local humidity High Amp RELAY (2.5A) Data Sheet DetailsData Sheet Back Strato BW437HFCU (R) : BACwall 437 (above) w/ local humidity High Amp RELAY (2.5A) Back Stocked items ship in 1 business day. Factory items typically ship in 3-5 business days (estimate only). Actual times may vary.Email sales@energycontrol.com for more information.