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[tinfoilhat2020]

SO i took some advice and put some sharkbite temp gauges on the boiler, house and shop to get an accurate reading of the water temp. I was previously having some issues with everything being off about 10°. I thought that the aquastat was way off, turns out that the aquastat and the water temp leaving and returning to the boiler are almost spot on. When aquastat shuts down at 185, it will creep to about 190 (as pictured), shop reads 190, house feed reads 190, house return read 190 and boiler return reads 188-190. SO this clears up a lot for me....turns out the boiler temp gauge on the front of the unit is about 5-7 degrees off, which is no big deal....now i can make adjustments accordingly based on line temps!!! YAHOO!

[tinfoilhat2020]

pics of the boiler return gauge and the ranco

[Sloppy_Snood]

Good job.    You now know more about your system (always a good thing IMO).

You may want to get the make and model number off the temperature gauge itself and compare its reading to the tolerance allowed by the manufacturer (usually stated as +/- XX% on the gauge itself).  If it's out of tolerance, most reputable companies will mail you a new gauge free of charge if you send them the old gauge.  Just an option if you choose to try it and get ALL of your temperature gauges reading a little closer to the same (actual) temperature. 

[tinfoilhat2020]

good thinking, i will check that when i get home! all the inline temps are dead on with the aquastat read out, so that is relieving!

[jerkash]

Where did you get your gauges?

[tinfoilhat2020]

Amazon...1 inch sharkbite fittings with temp gauge

[adamant]

Can't find a 1 in temp gauge sharkbite. . Plenty of 1/2 in.

Can you post a link?

[tinfoilhat2020]

http://www.supplyhouse.com/Cash-Acme-24441-SharkBite-Temperature-Gauge-with-1-Tee-Lead-Free?gclid=CP6RkMT2ksoCFcEUHwod7KwCzw

BEST PRICE I JUST FOUND

[adamant]

thank you