Beckett 21977U Hi/Lo Natural Gas Valve 120V 1/2 PSI

The Beckett 21977U is a high-quality two-stage diaphragm natural gas valve designed for residential and commercial heating applications. This valve features hi/lo modulating control for efficient gas flow regulation in burner systems, ensuring optimal combustion performance and fuel efficiency.

Key Features:

• Two-stage diaphragm design for precise gas flow control
• Hi/Lo modulating operation for improved efficiency
• 120V electrical connection for standard residential voltage
• 1" NPT body size for standard gas line connections
• 1/2 PSI pressure rating for natural gas applications
• Durable metal construction for long service life
• Compatible with Beckett CG4 gas conversion burner systems

This valve is commonly used in Beckett gas burner assemblies and gas conversion kits, replacing oil burner systems with clean-burning natural gas operation. The V4944B1109 valve model ensures reliable, safe gas control in furnaces, boilers, and water heaters. Professional installation by a licensed contractor is required for safe operation.