The R842 microcomputer-based relay for electric baseboards is designed to accept signals from a conventional, two-wire, low-voltage thermostat, the company's own T186 electronic wall sensor, or a 0- to 10-vdc
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.