The manual lever on the compatible actuator (sold separately) allows you to manually open the valve for filling

this unit is the standard for maintaining code-required minimum outside air (OA) levels in HVAC damper control applications

copper tubing for accurate temperature response

How do I identify a failing start relay

Silent Operation: Features a patented air brake that slows the return motion

BASO H17DB-5 Pilot Valve Refrigerant The manual lever on theThe BASO H17DB 5 is a heavy duty, 1 2" NPT automatic shut off pilot gas valve engineered for standing pilot systems in commercial and industrial applications. This pilot flow interrupter valve is designed to handle both natural gas and liquid propane (LP) at pressures up to 0. 5 PSI. Built for high ambient environments, its high temperature construction ensures reliable performance in demanding mechanical rooms. The unit features a 1 8" 27 NPT pilot