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System Efficiency: Maintains proper internal pressure within the circulating pump
minimizing operational noise while maximizing cycles for consistent HVAC management
Dual mounting Base
The 5500-113 is specifically rated for 120V AC applications
the Marley 4520-0011-000 is the standard OEM replacement for most Marley MUH-model heaters requiring a 300°F limit
York S1-025-32780-000 Ignitor Assembly 320788-704 System Efficiency: Maintains proper internalThe York S1 025 32780 000 Ignitor Assembly is a critical OEM replacement part designed for precision ignition in gas fired furnaces and rooftop HVAC units. This pilot ignitor assembly leverages a reliable 24V ignition system to ensure consistent burner engagement, effectively eliminating delayed ignition issues and cold start failures. As a direct fit component, the S1 025 32780 000 maintains the exact electrical specifications and mechanical
