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While typically used in two-element systems to manage the heating sequence
The York S1-9951-0931 is a precision-engineered LP Gas Orifice designed for specific burner manifold applications in York
and O-ring—you eliminate common failure points like scale-induced sticking or seat bypass
24 lb unit is designed to withstand the corrosive environment of flue condensates
Siemens Building Technology 536-811 Sensor 326058-756 While typically used in two-elementThe Siemens 536 811 is a high precision duct temperature sensor engineered for critical monitoring in forced air HVAC systems. Featuring a 100k Ohm thermistor (Type II NTC), this sensor provides an accurate and responsive output signal, ensuring seamless integration with equipment controllers such as the Modular Building Controller (MBC) and Terminal Equipment Controllers. The 4 inch rigid probe is constructed for durability, maintaining a stable
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