The Maxitrol M611B‑1 is a high‑precision modulating gas valve from Maxitrol’s Selectra / M‑series line. It’s designed for fine flame control in applications such as direct-fired burners, makeup air systems, and other HVAC setups. With both sides tapped for low-fire adjustment and integrated bypass orifice, this valve allows smooth modulation from pilot/low-fire to full output.
Specifications:
- Size: 1″
- Pressure Rating: 1/2 psi
- Used With: Series 14, Series 44 System, Series 24 System, Series 94 System, Series SC10
