The new Stellar® Eco2 residential air conditioning units deliver performance and economy with the latest in environmentally responsible refrigerant technology.

To increase the structural integrity of its smaller-diameter spun aluminum fans, the company says it has reduced curb cap sizes on Models G and GB centrifugal roof exhaust fans and Models CUE and CUBE centrifugal roof upblast exhaust fans.

The MAC-4 multiple appliance controller can interlock up to four appliances with power venters, draft inducers, or combustion air intakes, doing away with difficult or costly wiring jobs.

The MicroPoint 1 can record up to 32,000 time-stamped temper-ature measurements with a 0.1° resolution, and is designed to monitor temperatures from -40° to 75°C, with accuracy of ±0.5°C for temperatures from 0° to 60°C, and ±1°C for temperatures below 0° and above 60°C.

The Pacific condensate pump is made from a new, tough, engineered plastic instead of ABS, and is designed to be quieter and more reliable than previous types of small pumps, fit into smaller spaces, and enable faster connections and easier routing.

The Water and Gas Safety Valve (WAGS) has been designed to shut off both gas and water feeds before disaster strikes.

Redesigned compact enclosures for inverter and vector controls have been reduced almost 30% from their previous size and enhanced with new modular construction for more efficient thermal management.

A new retrofit kit, for replacement of silicon carbide hot surface ignition (HSI) modules with new silicon nitride (SiN) ignitors has been introduced that will provide longer igniter life and more dependable performance.

The company says it has enhanced its VG1000 Series ball valve line with the addition of a 1.0 Cv flow coefficient, 1¼2-in., two-way model.

These all-brass-finish steam and water vents undergo a special induction soldering process that eliminates the need for a painted finish.