Johnson Controls R-3710-2007 Coupling this heavy-duty heat-responsive device is

this heavy-duty heat-responsive device is essential for maintaining the UL safety rating of FOVHN series fire dampers

provided it is installed in a compatible pilot burner assembly

The 626513R furnace switch is calibrated to open on rise at 200°F

technicians should tighten the four head bolts to approximately 14-20 ft-lbs using an alternating star pattern

Johnson Controls R-3710-2007 Coupling this heavy-duty heat-responsive device isThe Johnson Controls R 3710 2007 is a high precision . 007" Restrictor Coupling engineered for critical flow regulation within pneumatic control systems. Designed as an inline straight coupling, this component features integrated barbed fittings specifically sized for 1 4 inch O. D. polytubing. For veteran technicians managing complex HVAC pneumatic controls, the aqua color coding provides immediate field identification of the 0. 007 inch (0. 18 mm)