These Pyro-Chem style rubber blow off caps are designed to protect the fire suppression nozzles of R-102 automatic cooking hood extinguishing systems from the buildup of dirt and grease. They are flexible rubber and will blow off the nozzle when the automatic fire suppression system is activated. Blow off caps should be replaced once a year. The caps are equivalent to Pyro-Chem part number 550016.
SOLD 12 PER PACKAGE.
For Pyro-Chem style metal blow off caps see item # 09984.