Description
Maxon 250CMA11AA11BB22A0 Gas Valve Overview
The Maxon 250CMA11AA11BB22A0 is a heavy-duty, general-purpose gas shutoff valve engineered for reliable performance in demanding combustion and industrial HVAC applications. Featuring a 2-1/2″ ANSI threaded connection, this 2-way normally closed valve delivers dependable automatic shutoff and precise flow control wherever it’s needed.
Key Features
- 2-1/2″ ANSI threaded body for straightforward installation into standard piping systems
- CP (Characterized Port) flow capacity for optimized gas flow performance
- Auto-reset operation for convenient, automatic valve recovery after a shutoff event
- 2-way, normally closed (NC) design ensures gas flow is interrupted in the de-energized state for inherent safety
- General purpose configuration suitable for a wide range of combustion and HVAC applications
- Buna body O-rings and bumper for durable, leak-resistant sealing
- Cast iron body construction for long-lasting durability and resistance to industrial environments
- Internal Trim Package 1 for reliable internal valve performance
Electrical Specifications
- Solenoid Voltage: 115Vac, 60Hz
- Motor Voltage: 115Vac, 60Hz
Construction & Materials
- Body Material: Cast Iron
- Seals: Buna (NBR) O-rings and bumper
- Connection Type: ANSI Threaded, 2-1/2″
Application
The Maxon 250CMA11AA11BB22A0 is ideally suited for use in commercial and industrial burner management systems, boiler controls, and process heating applications where dependable automatic gas shutoff and controlled flow are critical. The normally closed, auto-reset design ensures operational safety while minimizing downtime during reset cycles.







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