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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Low Pressure Drop: Engineered flow paths maintain system efficiency without significantly impacting suction line velocity
meeting all RMA/MPTA industrial specifications
If the system pressure is above 60 PSI but the SPST switch remains open
System Stability: Resolves intermittent low voltage signal loss
Built as part of the Bray Series 63
Siemens Combustion LMV51.140C1 Control Unit 321894-708 Low Pressure Drop: Engineered flowThe Siemens LMV51. 140C1 Control Unit is a microprocessor based linkageless burner management system engineered for high capacity forced draft burners. Operating on 110V AC, this base unit integrates electronic fuel air ratio control, advanced flame safeguard functionality, and a modulating PID load controller into a single chassis. It supports up to three (expandable to four) SQM4 actuators, delivering high precision positioning with 900 repeatable