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Improved System Stability: Maintains the critical pilot-to-burner relationship for efficient fuel combustion
It maintains identical mounting specs and performance ratings for a drop-in field charger assembly replacement
the Erie VM3312 is rated for hot and chilled water applications only
whereas cast iron is typically reserved for closed-loop heating
Siemens Building Technology 658-166 Diaphragm 326058-758 Improved System Stability: Maintains theEnsure your pneumatic valve assemblies are operating with peak pneumatic sensitivity by installing the Siemens 658 166 Replacement Diaphragm Kit. Specifically engineered for the Siemens Powertop 658 Series and Flowrite AP 599 4 inch pneumatic valve actuators, this 5 pack of heavy duty diaphragms is critical for maintaining precise pressure regulation and consistent valve modulation in steam and hydronic HVACR systems. Proactive replacement of these