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Hydrostat3250Plus position of jp2 jumper.

inthewind Member Posts: 2
What is default position of Jumper on JP2 on the circuit board?Across first two pins or second two pins.


  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 5,632
    This is just a guess, but from several pictures of this control fornd on the inter-web, and the world wide net, it appears to be the first two. The pin closest to the digital display and the center pin
    Edward F Young. Retired HVAC ContractorSpecialized in Residential Oil Burner and Hydronics