The White-Rodgers 3L09-3 Limit Switch is a high-performance board mount limit control designed for precise thermal regulation in HVAC furnace systems

or differential air pressure with a single device

drastically reducing air loss and preventing tank waterlogging

maintaining positive dead-end lockup and consistent delivery pressure is critical when handling line pressure regulators in high-load environments

offering a seamless mechanical and electrical match for aging Enviro-tec VAV boxes

Conbraco 13-213-B05 Relief Valve Els PW 17895 The White-Rodgers 3L09-3 Limit SwitchThe Conbraco 13 213 B05 is a high performance ASME Section IV steam relief valve engineered for low pressure steam heating and supply boilers. This bronze safety valve features a 1 1 4" Male NPT inlet and a 1 1 2" Female NPT outlet, facilitating streamlined integration into existing commercial or industrial boiler systems. Factory set at 5 PSI, it provides a certified relieving capacity of 699 pounds per hour to ensure critical overpressure