The Reznor 112751 is typically a safety limit that requires a manual reset or a complete power cycle depending on the specific heater model's control logic

Direct OEM Match: Prevents mounting issues and ensures the thermal disc is positioned correctly for accurate burn-out protection

and nitrogen when used in a compatible Sensus regulator body with appropriate trim

Always verify the flow arrow on the label points toward the expansion device or evaporator to ensure the refrigerant passes through the safety filter and desiccant core correctly

vibration-resistant mounting configuration

Belimo B209B Valve The Reznor 112751 is typicallyThe Belimo B209B is a high performance 1 2" 2 way characterized control valve designed specifically for demanding HVACR applications. Engineered with a nickel plated forged brass body and a chrome plated brass ball, this valve provides exceptional durability and chemical resistance in hydronic systems. Its integrated Tefzel characterized disc ensures a true equal percentage flow characteristic, allowing for stable control and preventing the "hunting"