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Rosewood paper grain — description and returns beneath the overlapping buy card.
This switch is rated for a maximum supply pressure of 30 psig
It maintains a stable 7-11" WC outlet pressure even during fluctuations
Automatic Reset Functionality: Restores continuity once temperatures drop to 130°F
Replacement is necessary if you detect high-pitched squealing
gaps that are too wide may cause the ignition module to fail to spark
McDonnell & Miller 61 Low Water Cut Off 30067439-890 This switch is rated forThe McDonnell & Miller 61 Low Water Cut Off (Part Number 140100) is a heavy duty mechanical control designed for residential steam boiler applications. Engineered for systems with a 20 PSI maximum steam pressure, this float operated safety device prevents catastrophic boiler failure by interrupting the electrical circuit if the water level drops below the safe operating line. The unit features 1" NPT connections for a secure fit into the water column