Fireye 129-172 Spring Retainer Kit R-407C ensure compatibility with specific VS

ensure compatibility with specific VS series components or high-temperature actuators

The "VL" designation confirms an integral vent limiting orifice

single-phase architecture ensures direct OEM compatibility with legacy and modern Reznor EEDU heating units

preventing air binding in your steam system

Automatic stroke adaptation ensures the actuator recognizes the valve's physical limits for precise control

Fireye 129-172 Spring Retainer Kit R-407C ensure compatibility with specific VSThe Fireye 129 172 Spring Retainer Kit is a critical mechanical component engineered for the secure mounting and long term stability of flame scanners within industrial burner management systems. This spring retainer is specifically designed for use with the MB series and MBPF flame sense modules, including models MB 600PF, MBPF 100S, and MBPF 200S. Built from high temperature resistant alloy, it maintains structural integrity under the intense