{"product_id":"an-introduction-to-boiler-controls-j-paul-guyer-9798195555962","title":"An Introduction to Boiler Controls for Professional Engineers","description":"\u003cbr\u003eControl systems may be pneumatic, analog, digital, or a combination of the three. Older designs utilized pneumatic control for local control loops. Analog control systems were an industry standard for a short time before quickly being replaced by digital control systems. The present industry standard is for a distributed control system (DCS), a programmable logic controller (PLC), or a direct digital controller (DDC) to provide digital control logic based on information gathered from electronic sensor inputs and responding with electronic control of pneumatic or electric powered valves and dampers.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e J. Paul Guyer\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798195555962\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 05\/04\/2026\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 108\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.59lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.00h x 8.50w x 0.22d","brand":"J. Paul Guyer","offers":[{"title":"Paperback","offer_id":48801474511103,"sku":"9798195555962","price":47.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.whiterainbookhouse.com\/products\/an-introduction-to-boiler-controls-j-paul-guyer-9798195555962","provider":"WR Book House","version":"1.0","type":"link"}