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gaps that are too wide may cause the ignition module to fail to spark
Replacement is necessary if you detect high-pitched squealing
facilitating a complete rebuild of the lower head mechanism
Universal Scroll Optimization: Specifically designed for Copeland 918-0047-00 applications
McDonnell & Miller 61 Low Water Cut Off 30067439-890 gaps that are too wideThe 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