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Heating - Auto-fill Check Valve

Radiant Heating Auto-Fill And Check Valve  

http://www.supplyhouse.com/Honeywell-VF06-100-SUSUT-1-2-Boiler-Fill-Valve-Assembly-8-50-psi-Threaded   $55.24   8-50 psi    Check that this is lead-free.


The selected valve can be adjusted anywhere between 8 psi and 50 psi.  I choose to set it to 15 psi in normal operation.  Having the 50 psi capability is useful for pressure testing the system.