Johnson Controls T-4002-3004 Guard Els PW 17895 This genuine Protech 70-21859-05 fan

This genuine Protech 70-21859-05 fan blade provides the robust construction necessary to withstand harsh outdoor environments and maintain system equilibrium

Ensure your float ball is sized appropriately for the buoyancy required at your specific system pressure

carbon buildup and material degradation increase electrical resistance

always use a dedicated potential relay over electronic timers or PTCR devices

OEM Compatibility: Precision-engineered for York

Johnson Controls T-4002-3004 Guard Els PW 17895 This genuine Protech 70-21859-05 fanThe Johnson Controls T 4002 3004 Guard is a professional grade, heavy duty solution designed to provide superior surface mounted thermostat protection for the T 4000 Series equipment. Engineered specifically for pneumatic thermostat systems, this assembly features a rugged cast aluminum thermostat guard that prevents tampering and mechanical damage in high traffic commercial or industrial environments. The unit includes a dedicated mounting bracket,