The 28HE Series high-efficiency cast iron commercial boilers offer thermal and combustion efficiencies of up to 86 percent for oil and 83 percent for gas. The boilers are available in
Heavy-duty coils are available for HVAC and process heating and cooling applications, including high-pressure steam, thermal liquid, high-pressure and untreated water, direct exchange (DX) cooling, and preheat/precool. Materials include copper,
Type AK2-XM 208B, a member of the second-generation Adap-Kool® family, is an electronic controller that operates various manufacturers' electronic evaporator pressure regulating (EEPR) valves and provides the tightest PID temperature
The TestoKool 523 digital gauge set is designed for air conditioning, refrigeration, and heat pump maintenance. It features high-side and low-side pressures (up to 725 psi, 0.1 psi resolution, and
A permanent split capacitor (PSC) motor is standard on the company's medium- and high-profile unit coolers, air-cooled condensers, and most of the company's condensing units. It is available as a
The KN-10 commercial gas-fired boiler has a self-adaptive design that is tolerant to changing conditions, says the manufacturer. The company states that the boiler combines the high efficiency of modern
GPG10 Series (10-SEER) and GPG12 Series (12-SEER) residential/light commercial packaged gas/electric heating and cooling units can be used in both downflow and horizontal applications. Both series' 2- to 5-ton units
Glo-Awayâ„¢ dye cleaner completely eliminates all traces of dye residue left over from previously repaired leaks, says the company. The manufacturer says that it is ideal for confirming that leaks
The free, revised, 45-page Guide to Insulated HVAC Duct Systems (publication AH121) covers five types of fiberglass insulated air duct systems. The uses and benefits of each system are discussed
Plain Facts About Improved Gaskets & Hints on Boiler Maintenance is a free, 15-page booklet that covers boiler topics from research on rubber formulations to steam-safety pop valves. It emphasizes