Sterling 11J13R00857 Room Override Thermostat for Maxitrol Selectra Gas Heating Systems

The Sterling 11J13R00857 is an OEM room override thermostat (Maxitrol T115) engineered for use with Maxitrol Selectra electronic gas modulation heating systems. This non-programmable, knob-adjustable thermostat provides space temperature control by raising the discharge air temperature to a pre-selected setpoint when used in conjunction with a compatible remote temperature selector.

Key Features:

• Temperature Range: 40°F to 90°F — suitable for commercial and industrial heated spaces
• Compatible Systems: Maxitrol Series 14, Series 21, Series 31, and Series 94 Selectra gas heating systems
• Control Style: Knob-adjustable dial — simple, non-programmable operation
• Mounting: Wall-mount installation; designed to be placed in the heated area, not in the direct path of discharge air
• Construction: Durable steel and plastic housing
• OEM Part: Direct factory replacement for Sterling and Beacon Morris heater applications

OEM / Cross-Reference Part Numbers:

• Sterling / Mestek / Beacon Morris: 11J13R00857
• Maxitrol: T115 (Selectra Room Override Stat)

The Sterling 11J13R00857 Room Override Thermostat (Maxitrol T115) is an optional accessory used in conjunction with remote temperature selectors such as the TD114, TD121, and similar models. When the room temperature falls below the override setpoint, the thermostat signals the system to raise the discharge air temperature, delivering precise and efficient space temperature management in commercial and industrial heating applications.