Can the H91RA-4C REVB be mounted in any orientation

it meets rigorous industrial safety standards for gas and air applications

always check your specific unit serial number and parts list to confirm compatibility before installation

allowing technicians to identify the 200°F/180°F limit at a glance

this part number refers specifically to the stem assembly

Utica-Dunkirk PB00903 Flame Sensor THPU32HP7Y Can the H91RA-4C REVB beThe Utica Dunkirk PB00903 Flame Sensor is a specialized mercury flame sensor engineered for precision flame monitoring in cycling pilot ignition systems. As an E type mercury sensor with a bulb style #19, this component is essential for detecting the presence of a pilot flame and allowing the main gas valve to energize. The 48 inch capillary length provides sufficient reach for various HVAC burner box configurations, making it a versatile OEM