ASCO JB8042C55 is a 1-1/4 inch, two-way, normally closed gas shutoff valve designed for on/off control of fuel gas to commercial and industrial burners. It features an aluminum body and a zero-differential piloted diaphragm to provide reliable actuation at gas pressures from 0 to 20 psi. A CSA-listed variant, JB8042C55CSA, is available with a junction box for convenient wiring in field installations. This valve is commonly used to shut off natural gas or propane to boilers, furnaces, ovens, and other gas-fired equipment, delivering dependable fail-safe control in heating and combustion systems.
