Pottorff introduced its new 5.5-in aluminum grille for buildings needing protection against violent weather such as hurricanes and tornadoes. The XAV-545 is FEMA 320 or FEMA 361 rated for storm shelters and safe rooms. It is AMCA certified and can withstand design loads of 300 psf produced by extreme wind phenomena. The XAV-545 has a free area of 49%.
Williamson has launched its new FreeStyle® 155k Btuh input Wall Mount Gas-Fired Condensing Boiler. The FS-155 has an AFUE of 94.4% and is available in combi and heat only models. The FS-155 combi unit provides 4GPM of domestic hot water. The FS-155 joins Williamson’s current 80k and 120k Btuh input units. All FreeStyle models are available in combi and heat only versions.
Taco has added a new Multi-Volt Zone Sentry zone valve for use in hydronic heating and other HVAC systems such as those with fan coils and air handlers. The new mechanical valve allows one actuator to accept input voltages between 120 and 277VAC 50/60HZ.
Heat Transfer Products Group, LLC (HTPG) has introduced the new Quantum Air Remote Air Cooled Condensers. Designed with California Title 24 regulatory compliance in mind, Quantum Air models are available with one to 14 fans, and with single- and double-fan width models in either vertical or horizontal air flow configurations.
Larson Electronics has released a 24-in explosion proof ventilation fan ideal for areas where flammable gases, vapors, or finely pulverized dusts may exist. The EPF-HPSM-24-480V high-pressure explosion proof ventilation fan from Larson Electronics features three spark resistant cast aluminum blades that move stale air at a rate of up to 6,860 cubic ft per minute. The frame is made of heavy duty 14-gauge steel that is completely arc welded with tubular supports. This unit is rated for use in Class 1 Group D and Class II Groups F and G hazardous areas.
Air Monitor’s ELECTRA-flo/SD is a thermal airflow and temperature measurement system designed for applications in small ducts ranging in size from 4-in to 16-in diameter. The product provides a calibrated output with an accuracy of ±2-3% of airflow reading from 0-3,000 FPM and a temperature measurement accuracy of ±0.15 ̊ F.
SPX Cooling Technologies launched the new Marley NC Everest Cooling Tower, a pre-assembled, crossflow evaporative cooling system that offers a viable alternative to field-erected towers. The company claims the design and field assembly process for the cooling tower reduces on-site labor and work duration for a safer work environment. NC Everest provides more site placement options and typically uses up to 10% less plan area than field-erected towers.
Johnson Controls has released Metasys® 8.0. The company says the BAS enhancements will provide ease of use, faster troubleshooting, less time on task, and reduced risk and easier integrations. Metasys provides essential instrumentation and control to save energy, lower operational costs, and enable efficient and secure operations.
Carrier has introduced a new Performance Series ductless multi-zone heat pump lineup. The company says this new line will offer increased flexibility, greater energy efficiency, and improved operation compared to the previous mid-tier lineup.
From a missing pipe hanger three floors down to steam traps past their prime, these stories show how steam system problems can originate inside the boiler room or far beyond it. Read more in February issue.