Precise Thermal Response: Calibrated to trigger at 144°C thermal cut-off for accurate overheat protection

this HVACR replacement part provides the necessary compression to prevent steam and water bypass in pressurized systems

What are the signs that a Sylphon base gasket needs replacement

Common causes include a failing start capacitor

What are the terminal connections for this SPDT relay

McDonnell & Miller 318827 O-Ring Precise Thermal Response: Calibrated toMaintain the integrity of your low water cut offs with the McDonnell & Miller 318827 O Ring. As a veteran technician, you know that a high pressure steam environment demands precise sealing. This square cut O ring, also recognized as Model 69 114, is the standard replacement part for the Series 69 Low Water Cut Off and E 8 level controls. Transitioning from older gasket styles to this new style O ring ensures a tighter, more reliable seal between the