Always verify the part number against the furnace wiring diagram or cabinet labels

this orifice is engineered to maintain specific pilot flame characteristics

Is specific orientation required for the 12A04 to function

Common Questions What is the maximum inlet pressure for this 1/2-inch orifice

OEM Compatibility: Guaranteed fit for Heil

MAMAC Systems TE-703-C-12-A-2 Temperature Sensor Always verify the part numberThe MAMAC Systems TE 703 C 12 A 2 is a professional grade immersion temperature sensor designed for precise fluid monitoring in hydronic systems. This unit features a 10,000 Ohm NTC Thermistor (Type II), ensuring high accuracy and stability across standard HVAC operating ranges. Built for durability in demanding mechanical rooms, the sensor is housed in a NEMA 1 galvanized steel enclosure and utilizes a 4 inch 304 stainless steel probe to prevent