🔥 M551W-1/2 Maxitrol 1/2" NPT Modulating Gas Valve – Hi-Low Gas Control for HVAC Systems Ensure consistent combustion and precise gas flow control with the Maxitrol M551W-1/2, a hi-low modulating gas valve engineered for advanced HVAC applications. Designed for seamless integration into furnace and commercial heater systems, this valve delivers reliable gas regulation under varying load conditions. ⚙️ Key Specifications Model: M551W-1/2 Connection: 1/2" NPT (National Pipe Thread) Valve Type: Modulating Hi-Low Gas Valve Manufacturer: Maxitrol Application: Used in HVAC heating systems requiring variable gas flow control Power Source: Gas-powered (requires appropriate voltage for control signals) Control Interface: Covered wire terminals for safe field wiring Product Status: Active Condition: New 🛠️ Technician Notes Ideal for staged heating systems requiring modulating gas control between high and low burner settings. Ensure proper polarity and grounding when connecting control signals. Often paired with Maxitrol gas regulators and control boards for full system integration.
