the 99K57 draft inducer is essential for clearing the heat exchanger of combustion gases and proving the pressure switch circuit to initiate the ignition sequence

fitting standard torsion flex or belly band brackets

it is a universal 24V electromechanical humidistat that can replace most standard two-wire controllers in bypass or power humidifier applications

Ensure the port is clear of debris to allow the shield to seat properly

it ensures seamless integration with compatible Copeland hermetic compressors and Copelametic models

Siemens Building Technology 656-736 Diaphragm Kit 323613-751 the 99K57 draft inducer isFor field technicians servicing light commercial and industrial pneumatic systems, the Siemens Building Technology 656 736 Diaphragm Kit provides the essential components needed for maintaining the 2" Powermite 599 Series and Powertop 656 Series pneumatic actuators. This OEM spec 5 pack of replacement diaphragms is engineered to restore proper seating and actuation response in VP656 and VP657 pneumatic actuators, effectively eliminating control lag