Series TY3381 K Factor 5.6/8 Temp 74c Horizontal Sidewall White Thread 15mm Model Raven Response QR Hazard LH Element Solder
Series TY3531 K Factor 5.6/8 Temp 93c Concealed Brass Thread 15mm Model RFll Response QR Hazard OH Element 3 mm Bulb
Series TY4542 K Factor 8/11.5 Temp 71c Horizontal Sidewall Brass Thread 20mm Model RFIII Response QR Hazard OH Element Link
The TYCO Series TY4542 Sprinklers has a K Factor of 8/11.5 and coverage as Extended Coverage with a thread size 20mm and the finish is Brass with a temp of 71 the part number is 511131160
Series TY4542 K Factor 8/11.5 Temp 71c Horizontal Sidewall Brass Thread 20mm Model RFIII Response QR Hazard OH Element Link is available to buy in increments of 1