The L.B. White 16W283 and 16W285 Gas Valve is a natural gas valve designed for use with L.B. White heaters models 16W283 and 16W285. It features a manual knob to adjust gas flow, a 3/8" NPT inlet and outlet, and is CSA approved for natural gas. The valve body is made of aluminum and it has a maximum pressure rating of 5" water column. This OEM replacement gas valve allows you to safely control gas flow to the specified L.B. White heater models.