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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
this unit supports mechanical setpoint stops to restrict the user adjustment range
As a direct replacement for S1-024-35803-000
Key Benefits Dual-Function Capability: Operates seamlessly as either a low signal selector or a 1:1 volume booster for high-capacity actuator sets
the actuation set points are optimized for horizontal pipe runs
which is essential for minimizing shaft vibration and preventing premature bearing wear
McDonnell & Miller 51-S-2 Switch R-22 this unit supports mechanical setpointThe McDonnell & Miller 51 S 2 is a heavy duty mechanical water feeder and low water cut off (LWCO) designed for low pressure steam and hot water boilers. Engineered for systems with a maximum vessel pressure of 35 psi, this unit features a snap acting SPDT switch that ensures positive electrical contact for burner control or alarm signaling. The 1" NPT connections allow for straightforward integration into existing boiler piping, providing a reliable
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