08-17 Wall macerating toilet

Question: 08-17 Code Section: 7 Date: 6 July 2008 OBC 2006 Reference:,, (3),, Question submitted: What type of Backflow protection would you require on the supply line to this macerating toilet Part #48 – Would it have to meet the requirements for an Air Admittance Valve. Interpretation: If the device is …

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14-10 PRV installation

Question: 14-10 Code Section: 7 Date: 10 September 2014 OBC 2012 Reference: Question Submitted: We recently had a backflow inspection for a 2” DCVA for an apartments premise protection. The pressure coming into the building exceeds 100psi and because the expansion tank is only rated for a maximum pressure of 80psi we had to install …

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