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The ZoneFirst MMPK is a professional-grade 3-zone control kit engineered for single-stage HVAC systems
Its concealed internal wiring and wall-mount design provide a clean finish for the end-user while maintaining the mechanical reliability professionals expect
Designed for Laars Heating Systems
Dual-Function Versatility: Manages independent level operations
If you are diagnosing a furnace that cycles off shortly after ignition
Siemens Combustion VGG10.504U Gas Valve Els PW 17895 The ZoneFirst MMPK is aThe Siemens Combustion VGG10. 504U Gas Valve is a robust, single body 2 inch NPT gas valve engineered specifically for technical demand in commercial and industrial burner systems. This normally closed gas valve is constructed from high grade die cast aluminum, capable of handling a maximum operating pressure of 15 psi (600 mbar) with a significant natural gas capacity of 3,511 CFH at 1" W. C. pressure drop. Designed for seamless modularity, this