Lochinvar & A.O. Smith 100327114 Volute Gasket 323055-751 The Johnson Controls A421AEC-01 is

The Johnson Controls A421AEC-01 is a high-performance single-stage electronic temperature control designed for heavy-duty HVACR applications requiring precision and environmental protection

Field Flexibility: DIP-switch adjustable delay settings ensure optimal heat exchanger cool-down

000 and 48

Can the ZP charge be used as a general replacement for a standard C charge

Universal Application: Cross-compatible with various Johnson Controls P499 and P399 models

Lochinvar & A.O. Smith 100327114 Volute Gasket 323055-751 The Johnson Controls A421AEC-01 isThe Lochinvar & A. O. Smith 100327114 Volute Gasket is a critical OEM replacement part engineered to maintain the pressure seal between the pump volute and the motor housing. For field technicians servicing hydronic systems, this component is the direct replacement for 100133545, ensuring a precise fit without the need for field modifications. This boiler pump gasket is fabricated from high grade elastomeric materials designed to withstand the thermal