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the "Z" suffix in the 48Z frame usually indicates a specific shaft modification
Most variations of this 48-frame motor require a 5 MFD 370V capacitor
Use this 3-blade 18-inch fan to ensure the motor operates within its rated specifications
Field Proven: The Maxitrol 325 Series is the industry benchmark for reliable gas pressure control and long-term durability
Caleffi ZVR104 Relay 323613-751 the "Z" suffix in theThe Caleffi ZVR104 is a professional grade 4 zone valve relay designed for precise control of hydronic heating systems. Serving as a direct HPZC104 replacement, this multi zone controller manages up to four zone valves and features priority zoning functionality, allowing a single zone to be designated for domestic hot water (DHW) production. Engineered with a multi pin selectable priority option, the ZVR104 ensures that space heating loads are