The Littelfuse POWR-GARD series ensures consistent response times

011" orifice size

As a veteran-preferred HVAC replacement fan blade

immediately breaking the electrical path to the gas valve to halt combustion

as Nordyne has transitioned to Nortek Global HVAC

Johnson Controls R-3710-1005 Restrictor The Littelfuse POWR-GARD series ensuresThe Johnson Controls R 3710 1005 is a high precision red inserted restrictor designed for critical pneumatic operating systems. Engineered with a fixed 0. 005" orifice, this component provides metered airflow to maintain calibrated pressure signals and consistent control loop response. It is specifically built for 1 4" O. D. polyethylene or copper tubing, ensuring a reliable interface within pneumatic control circuits. This restrictor is typically