Technicians should note the built-in overcurrent protection and thermal limit switches that prevent overheating

effectively eliminating turbulence and significant pressure drop

always check the unit's rating plate for the approved heater list

Frame Size: 48Y Replacement Compatibility

spring for the RV81

Siemens Building Technology 333-572 Diaphragm L99H008 Technicians should note the built-inMaintain peak performance in high ambient environments with the Siemens Building Technology 333 572 Diaphragm, a critical service part for pneumatic damper actuators. This 5 pack of heavy duty replacement diaphragms is specifically engineered for Siemens #6 actuators and select #4 actuator models. Built from silicone based, high temperature resistant elastomers, these rolling diaphragms are designed to withstand the thermal stresses of steam coils and