M411B-1/2 | SELECTRA MOD/VLV SET-LOW FIRE Pack of 25 | Maxitrol

**SELECTRA Modulating Valve Set by Maxitrol (M411B-1/2)** Maxitrol's SELECTRA modulating valve set (M411B-1/2) offers exceptional control and reliability for low-fire conditions. This valve features a compact design with a 1/2" NPT inlet/outlet and a bronze body for durability. It is specifically designed for use in commercial and industrial applications where precise flow control is critical. The SELECTRA valve set includes a pilot burner assembly and a main burner assembly, providing a complete solution for low-fire applications. The pilot burner assembly incorporates a built-in gas pressure regulator for accurate gas flow adjustment. The main burner assembly features a precision diaphragm and spring assembly to ensure precise modulation of fuel flow. Applications: * Commercial and industrial burners requiring precise flow control * Low-fire applications where consistent ignition is crucial * Equipment with varying firing rates * Systems requiring optimal fuel efficiency and emissions control Features: * Durable bronze construction * 1/2" NPT inlet/outlet * Pilot burner assembly with gas pressure regulator * Main burner assembly with precision diaphragm and spring * Excellent flow control and repeatability * Compact design for easy installation Our HVAC supply store offers Maxitrol's SELECTRA modulating valve set at the most competitive prices. Our fast shipping ensures minimal downtime for your critical applications. Choose Our HVAC supply store for your industrial needs and experience exceptional service and quality products!