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Posted by HeatPro on October 23, 2005 at 14:03:22:
In Reply to: Weil McCLAIN MODEL EG-40-1 125000btu posted by mark brodowski on October 23, 2005 at 11:05:34:
: HI, I HAVE A WEIL MCCLAIN MODEL EG-40-1 GAS FIRED STEAM BOILER IN MY 1930S HOME.IT WAS INSTALED IN 1988 BUT WAS NOT MAINTAINED BY PREVIOUS OWNERS.THERE IS ALOT OF IRON IN THE SYSTEM.I BLOW IT DOWN REGULARLY AND IT RUNS OK.PART OF THE JACKET IS ROTTED OUT.I READ YOU SHOULD REPLACE BOILERS MORE THAN 15 YEARS OLD,SHOULD I REPLACE IT.
+ Replace it when it starts to leak from the casting. Some are there longer than their owners live. The New York magazine article is counting on the fact that boilers older than 15 years were made before 1992 when all boilers had to be better than 78% efficient. yours is that efficient.
WOULD IT BE WORTH IT.I AM ALSO THINKING OF EXPANDING MY HOME IN THE FUTURE,IF I REPLACE, SHOULD I GET BIGGER MODEL.
+ You will not only have to get a bigger model; but you should also repipe the system to handle the larger home. It is a good time then to change to a modern 90+ efficient boiler with new copper water system piping. Especially after insulating the home to the max.
ALSO I REPLACED THE HONEYWELL PRESSURETROL 404A AND SIPHON LOOP,OLD ONE WAS CLOGGED SOLID,I HAVE THE CUT IN SET AT 2.5 PSI AND THE DIFFERENTIAL AT 2 PSI IS THIS OK,NOT SURE.
+ That is fairly normal, don't fix it if it isn't broke.
OLD STEAM PIPEING IS SCHEDULE 80 SHOULD I REPLACE WITH COPPER TO HELP WITH SEDIMENT.AND I HAVE ONE RADIATOR AT END OF HOUSE THAT NEVER GETS HOT,ANY IDEAS.ALSO FURNACE CYCLES ON AND OFF ALOT BEFORE HOUSE GETS TO SET TEMP.SHOULD I REPLACE MY THERMOSTAT. THANKS MARK.
+ Copper needs threaded fittings at the ends of long runs to prevent snapping solder joints from expansion and contraction. Repipe to copper when you expand the house and install a new hot water heating system. Don;t be fooled into installing a warm air system; you'll hate it after having a steam system.
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