Microprocessor-based, the Fuel-Mizer™ outdoor reset switching relay control is designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature. With reduced supply water temperatures, substantial energy savings are achieved, the company said.

A line of commercial- and industrial-grade air filter housings complements its line of air filter products. The line of housings is designed for use in commercial air filtration equipment, including HVAC and industrial ventilation systems, blowers, compressors, engines, and molecular air purification equipment.

The Horizon™ 700 Series has been added to the line of Chewblet® ice machines. The ice machines make up to 675 pounds of ice in a 24-hour period and are available in self-contained models with air- or water-cooled condensing. In addition, customers have their choice of Chewblet or Micro Chewblet ice.

With four ports and a built-in vacuum gauge on the SMAN4 digital manifold, users can evacuate a system, pull a vacuum, add refrigerant, and dial in the charge without unhooking their manifold. There are three standard ¼-inch ports and one beefy 3/8-inch port with the bore in the manifold being 3/8 inch throughout.

The White-Rodgers SureSwitch™ relay, model number 49P11-843, replaces the function of a contactor and short-cycle timer with a sealed relay. It increases the reliability of air conditioning systems and heat pumps. Designed to fit in the space of a traditional mechanical contactor, the relay is a universal electronic upgrade.

Designed to offer easier installation and service and improved reliability, the line of Heil® 95.5 and 92.1 percent AFUE Performance Series gas furnaces feature a dual-vent design to allow one- or two-pipe installation. The single-stage furnaces feature multispeed, pre-lubricated permanent split capacitor (PSC) blower motors.

The Redi-Purge noncondensable gravity flow purge 007 Series units are a virtual drop-in replacement for purge units that pull from and return to the condenser. The series includes models 007-11-C3 and 007-123-C3. According to the manufacturer, the refrigerant charge does not have to be pulled to install.

Reducing the need for costly demolition or helicopter expenses, the Rapid Knock-Down (RKD) air handler is designed to be delivered to the jobsite in sections matched to the building’s minimum opening, to allow for easier installation into tight or hard-to-reach spaces.

Nearly one-half the width of existing air purifiers, the Performance™ Series air purifier provides cleaner, healthier indoor air, says the company. Based on the Infinity® air purifier platform with Captures & Kills™ technology, the air purifier has a narrow cabinet of 7¼ inches (18 cm) wide and an air filter 2½ inches (6.4 cm) wide.

The per job general liability insurance is designed specifically towards insuring small- and medium-sized contractors in today’s economy. According to the company, it is designed to help small- and medium-sized contractors who are finding it more difficult to maintain annual general liability insurance.