Catalog: Duff Company Catalog
Company/Brand: Duff Company
fan relay in Duff Company Catalog by Duff Company
duff co fanrelay heating honeywell s fan relay for 24 volt circuit control of ... line voltage fan motors and auxiliary circuits in ... voltage 24 switching action spdt price fan centers used for low voltage control of ... line voltage fan motors in heating and cooling equipment ... enclosed relay with 38 va transformer mounts on 4x4 ... spdt switching for single or 2-speed fan operation electrical rating 13.8 amps ... spdt price dpdt switching to control fan with electronic air fig no mfg no ... dpdt fa nandlimitcontrols provides fan operation control and high limit ... sensing element manual/automatic fan switch metal cover limit range 100 to ... 250o limit differential 25o fan on setting range 65 to 215o fan off ... setting range 50 to 200o fan adjustable differential 22o min fig no ...
zone valve controllers switching relays 49329 azv-243 44644 azv-245 fig no ... 3/4 3 multi-zone circulator switching relays intermediate switching for up to six ... commrecial applications the ar series relays are controlled by 24 volt thermostats ... 15va 15va general purpose switching relays for controlling line voltage loads with ... in applications such as circulators fan motors and pumps up to 1/3 hp 120v ac ... 10 amp load rating replacealbe plug-in relay 15 va transformer quick connect wiring ...
heating oil burner protector relay provides automatic nonrecycling control ... duff co honeywell oil burner protector relay for built-in-transformer for cooling ... y and g terminals for compressor and fan relay operation mfg no safety timing ... second delay at startup to allow burner fan to reach full operating speed and pump ... controls combination protector relay and hydronic heating controller ...
turns heating and/or cooling system relays on and off as required model of ... saves energy improves comfort smart fan hc models only compatible with ... turn heating and/or cooling system relays on and offas required thermostat lock ...
less flanges built-in transformer and relay control eliminate the additional relay ... control valves two-way and three way fan coil valves desigend for chilled water, ...
