RASCO/Reliable® RA1425, Model F1FR56, 5.6K, Upright, QR, 1/2" NPT, White, 286 Degree, F1FR56U3WN, BA288732S9, Fire Sprinkler Head 120v The valve is designed to

The valve is designed to initiate an alarm during a sustained flow of water (such as the flow required by an open sprinkler) by operating an optional water motor alarm and/or alarm pressure switch

Inside Diameter - 2 3/8"

Operating Temperature Range:  32°F to 120°F (0° to 49°C)

Victaulic V46 Open End Wrench

RASCO/Reliable® RA1425, Model F1FR56, 5.6K, Upright, QR, 1/2" NPT, White, 286 Degree, F1FR56U3WN, BA288732S9, Fire Sprinkler Head 120v The valve is designed toReliable Model F1FR56 series sprinklers are quick response standard spray automatic fire sprinklers utilizing a sensitive 3. 0 mm glass bulb thermal element. Item: RASCO Reliable RA1425, Model F1FR56, 5. 6K, Upright, QR, 1 2" NPT, White, 286 Degree, F1FR56U3WN, BA288732S9, Fire Sprinkler Head Available In Multiple Colors and Temperatures. See Other Configurations Drop Down. SPEC SHEET WARNING: This product can expose you to chemicals which are known