The CWF is more likely a model number.ġ INCOME TAXATION 6th Edition (BY: VALENCIA & ROXAS) SUGGESTED ANSWERS Chapter 1: General Principles and Concepts of Taxation CHAPTER 1 GENERAL PRINCIPLES AND. How can I get this? - Jen 10/29/11 Reply: Jen, Yours is probably an Olsen Coal/Wood - Oil forced warm air system. I have a serial number but I need a rating plate number for insurance purposes and the numbers are no longer legable.
Links to some serial number decoding guide books that may be. Heating equipment age determination: how to read data. Question: Need a rating plate for a CWF Duo-Matic Forced Air Coal & Wood Furnace I have a CWF duo matic forced air coal and wood furnace. Question: Age of Magic Pack HVAC how old my magic pack hvac have no idea, i have model# and serial # the is old - Charlie 10/9/11 Reply: in the references section below we include links to some serial number decoding guide books that may be able to help you pinpoint the age of your Magic Pack HVAC system - the year is coded in the serial number.
