Watts introduced its Big Daddy RD-800 Series dual roof drains for providing roof drain overflow protection. The dual roof drain/overflow combinations offer leakage protection, durable construction, and ease of installation, said company officials.
Ruskin® has introduced the EME720 7-in horizontal louver. The EME720 louver features 56% free area and combines a continuous-blade architectural appearance with the performance of a wind-driven rain-resistant louver.
The louver’s architectural mullion is recessed, notched in the blade, and utilizes drain pockets allowing water to drain away while contributing to an appearance of one continuous louver.
Marketair Inc. has introduced RoughinBox™, a plastic terminal box designed for expediting the rough-in of linesets, condensate hoses, and electrical/communication cabling for wall-mounted minisplit and VRF evaporator installation. According to the company, the RoughinBox reduces rough-in time by creating a central point with dedicated ports at which linesets, condensate hoses, and electrical/communication cabling can safely and easily terminate.
Nu-Calgon has launched new 100- and 200-count bulk jars of Gel Tabs™. The company says the tabs are an effective treatment that prevents condensate drain pans from clogging and getting musty odors. Gel Tabs feature a gel locking technology — once activated by condensation, the gel formulation locks the tablet in place until it completely dissolves.
RectorSeal® Corp. has introduced the SS1 Directional Cleanout Tool for clearing clogged debris from 3/4-in primary and secondary condensate drain lines of all air conditioner brands and sizes. The tool uses RectorSeal's Safe-T-Switch® SS1 inline overflow/shutoff switch body or any condensate drain 3/4-in PVC inline tee as an access cleanout fitting.
The Remote Lamp Mount (RLM) Small Systems (S/S) ultraviolet (UV-C) lamp fixture kit from UV Resources is designed to deliver ultraviolet energy to destroy coil/drain pan microbial infestations and disinfect moving air streams in hard-to-service fan coil units, PTAC units, and heat pump systems. According to company officials, by inactivating these microbes, the UV small systems kit helps prevent coil inefficiencies, drain pan overflow, and foul odors.
Pottorff is has introduced its new EXA-645 combination louver. The company says it is a high-performance louver with Best-In-Class AMCA certified performance for free area (50.4%) and a pressure loss of 0.15 in. wg. @1,272 fpm (6.46 m/s). The EXA-645 features stationary drainable louver blades that protect against water penetration along with an integral airfoil blade control damper which will allow for positive shutoff protection from air intake and exhaust openings.
The new Greenheck Model EAD-635, an adjustable blade louver in a 6-in deep frame, incorporates a drainable head member and adjustable drainable blades to channel water to the jambs that guide the water through vertical downspouts for escape at the sill.
The new Super White Washdown Duty motor is designed for humid and moist environments in the food and beverage industry where motors receive sanitary washdowns on a regular basis. The autophoretic® autodeposition exterior surface preparation method makes the white epoxy finish coat of this motor five times more resistant to corrosion and chipping than previous methods, said the manufacturer.
Engineered Systems magazine’s March 2020 issue showcases how students at one Apple Valley, Minnesota, high school helped the facility achieve LEED Gold; how engineers can design a system to heat a building using a chilled water system, the codes and steps behind adequately design a K-12 safety shelter, and much more.