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HVAC Pump Handbook, Second Edition (McGraw-Hill Handbooks)

Design, install, and maintain HVAC pumps Filled with case studies and problem-solving sections, this reference offers HVAC engineers and technicians concrete methods for achieving efficient operation in utilizing the latest digital electronic technologies. Updated to include the latest information...

Practical Problems in Mathematics for Heating and Cooling Technicians (Applied Mathematics)

Develop solid practical math skills needed to succeed in the heating and cooling technology field with this updated resource that presents critical information in a way that is straightforward, easy-to-understand, and most importantly, meaningful to the reader. From basic...

UDI U818A WiFi FPV RC Quadcopter Drone with HD Camera – VR Headset Compatible – Headless Mode, Low Voltage Alarm, Gravity Induction – Includes BONUS BATTERY + Power Bank

Looking to add some adventure to your next outdoor excursion? The latest UDI U818A WiFi FPV drone will allow you to fully immerse yourself in flight through your virtual reality headset while capturing exquisite aerial footage and photography. Features:...

smanos W020 WiFi Alarm System

Security Simplified The W020 is ready to go as soon as you connect it to your WiFi router. Add wireless sensors and accessories to the system directly on your smartphone app anytime as you wish, as your security or...

Reliance Controls THP201 Automatic Phone Out Alarm with 3 Functions

THP201 Features: -Power failure, freeze and flood home monitoring system. -Automatically calls up to three different phone numbers of your choice in the event of power failure, freezing conditions, water leakage or flooding. -Connects to existing telephone lines. -Clear...

Lego 9004148 Ninjago Cole Alarm Clock

The LEGO Story The name ‘LEGO’ is an abbreviation of the two Danish words “leg godt”, meaning “play well”. It’s our name and it’s our ideal. The LEGO Group was founded in 1932 by Ole Kirk Christiansen. The Company...

Warm Air Heating for Climate Control (5th Edition)

A complete, up-to-date, illustrated guide to the installation, maintenance, and service of gas, oil, and electric forced warm air heating and heat pump systems. Explores—in great detail—a large base of newer as well as traditional equipment, using the principles...

DYSS(TM)H.264 4CH DVR 1300TVL 4mm 2 Array IR CCTV Home Security Indoor Camera Alarm System Night Vision Video Recorder Surveillance System

Specification: Graphics & Windows OSD interface,Stand-alone Linux2.6 operation system Support CIF recording resolution,ADPCM audio compression Support sextuple operation: visual recording, playback, realtime video monitoring,back up,control,remote view Support to operate with USB mouse,remote view with Mobile Phone Support to backup...

NFPA Pocket Guide To Fire Alarm And Signaling System Installation

Designed for quick reference on any job site, the essential fire alarm installation pocket guide, NFPA Pocket Guide to Fire Alarm and Signaling System Installation, Third Edition provides all the information you need to design, install, or maintain fire...

Yescom PSTN Home Keypad Security Burglar Alarm System Kit 32 Wireless and 2 Wired Zones White by Yescom

32 wireless and 8 wired defense zones, At most 5 wireless remote control codes, 6 groups of voice alarm phones (mobile phone), and 2 groups of phones in alarm receipt center, LED display for clear information, Built-in perpetual calendar...