December 31, 1969
We have oil central heating and immersion heater if that makes any difference.
I can’t see any dials or anything else i can adjust on the tank. Would it be on the oil burner itself?
May 1, 2013
I read this informations and I think are very useful for me.Thank you very much !
September 14, 2012
I’m totally agree with you.You’r 100% good here that it was changed during the code development cycle leading to the 2012 ISPSC.Certain two facts on this description are unequivocally the best we have all had.
December 31, 1969
After checking the past version of the ISPSC, we found that the temperature was 122 degrees in the Public Version 1.0, in line with the APSP standards. It was changed during the code development cycle leading to the 2012 ISPSC. The code change was SP-80, submitted by the Association of Pool and Spa Professionals (APSP), publisher of ANSI/APSP Standards. The reason statement for the change reads as follows:
“This proposal also changes 122°F (50°C) to 140°F (60°C) to align with ANSI Z21.56 Sections 2.12.2, 2.12.3, & 2.12.5 Temperature Control. In addition, a reduction in outlet temperature would require that the water flow in GPM be increased which is contrary to trends in the pool industry to reduce flow rates for improved hydraulic efficiencies.”
The standard referenced in the reason statement is ANSI/CSA Z21.56a-2008, Gas Fired Pool Heaters.
I hope this is helpful. If you have follow-up questions, feel free to post them.
April 30, 2015
My jurisdiction is reviewing the ISPSC for adoption and we came across some questions?
Section 509.2.2 of the ISPSC(2012) states, “…Water temperature at the heater return outlet shall not exceed 140oF(60oC).”
Why is this temperature so HIGH? The American National Standards Institute, “American National Standard for Portable Spas ANSI/NSPI-2 (1999) PUBLIC SPAS” states:
“14.0 HEATER AND TEMPERATURE REQUIREMENTS
14.3.2 Water Temperature Limiting Controls: Water temperature limiting controls shall comply with ANSI/UL 1563 “Standard for Electric Hot Tubs, Spas and Associated Equipment”. The water temperature at the heater return outlet shall not exceed 122°F [50°C].”
Why would this item differ so much from the standard that spawned this code?
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