Engineered for a direct fit in Rheem and Ruud HVAC systems

Fixed Thermal Calibration: Calibrated to trip at exactly 220°F (L220F) to protect the heat exchanger and surrounding components

this modern elastomer Watts gasket provides superior resilience and sealing performance in most stainless steel manifold configurations

Robust construction designed to withstand repeated thermal cycling and manual strain on the control head

Johnson Controls D-9502-609 Positioner Spring Engineered for a direct fitThe Johnson Controls D 9502 609 Positioner Spring is a critical calibration component designed for professional pneumatic control systems. Engineered specifically for integration with D 3153, D 3073, and D 4073 Series Actuators, this replacement spring ensures the precise pilot positioner feedback required for accurate damper modulation. In HVACR applications, maintaining the correct spring range is essential for overcoming actuator load and ensuring