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The MCC POWERS 3918103 is a valve repair kit designed for Series 900 Model 1 valves. It supplies the replacement internal components needed to restore proper valve function without replacing the full valve body. Weighing 0.34 pounds, this compact kit is suited for HVAC and building automation technicians performing field service or scheduled maintenance on pneumatic or hydronic control valves. Having the correct OEM-matched repair components on hand reduces downtime and keeps control valve assemblies operating within specification.
This repair kit applies to Series 900 Model 1 valve configurations commonly found in commercial HVAC hydronic systems, including heating and cooling coil circuits and zone control applications. It is intended for installation by licensed HVAC or building controls technicians familiar with control valve service procedures. Consult the Series 900 valve service documentation to confirm the correct kit for your specific valve configuration before installation.
Designed as a replacement repair kit for MCC POWERS Series 900 Model 1 control valves. Confirm valve series and model designation before ordering to ensure proper fit.
Installation should be performed by a qualified HVAC or building controls technician. Shut off the hydronic system and relieve system pressure before disassembling the valve. Refer to the manufacturer service instructions for the Series 900 valve to identify the correct component orientation and reassembly sequence. Do not reinstall the valve into service without verifying that all sealing surfaces are properly seated and system pressure has been safely restored.
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