Victaulic V49 Inch Residential Concealed Fire Sprinkler Cover Plate Escutcheon, Brushed Brass, 155 Degree, S110NC00D0 57-390-9-175 The low frequency sounder and

The low frequency sounder and low frequency sounder strobes were designed to address the NFPA 72 sleeping space requirements that require a low frequency notification appliance that operates within frequency range of 520 Hz ± 10% and is of a square wave tone

688727139G

57-373-0-155

875 in W x 3

200 Degree 15591FE Fire Sprinkler Head

Victaulic V49 Inch Residential Concealed Fire Sprinkler Cover Plate Escutcheon, Brushed Brass, 155 Degree, S110NC00D0 57-390-9-175 The low frequency sounder andEscutcheon for use with Victaulic fire sprinkler head models: V1106 V5603 V5634 V5648 V5689 V8134 V8189 Item: Victaulic Model The Inch Concealed Fire Sprinkler Cover Plate Escutcheon, Brushed Brass, 155 Degree, S110NC00D0 Measurements: Inside Diameter 2 3 16" Outside Diameter 3 5 16" Depth 1 7 16" SPEC SHEET WHAT TEMPERATURE DO I NEED? If your fire sprinkler head is 135 or 155 degree, you can use either a 135 degree or 155 degree cover plate. If your