Hi all,
New DIYer here looking for advice. This looks like an awesome resource.
I am needing to replace my boiler fill valve. It is a glycol system separated by a Watts 9d-M3 backflow preventer from my domestic water. I was going to replace the fill valve and backflow preventer, but researching the 9D-M3, it does not meet code for that application(says not for lines with glycol). Not sure if that is new or it was never installed to code. The 9D-M3 also does not meet the current lead-free standard. I think I have 3 options. Install new 9D-M3 and fill valve and get on with life.
2. Install a new double check valve on the system as it sits
3. Switch the 9D-M3 and fill valve to the irrigation side of my domestic water which already has a double-check valve in it. I worry about the surging on the irrigation side, but not sure if I should be. Just curious if anyone has any suggestions. Thanks in advance!
New DIYer here looking for advice. This looks like an awesome resource.
I am needing to replace my boiler fill valve. It is a glycol system separated by a Watts 9d-M3 backflow preventer from my domestic water. I was going to replace the fill valve and backflow preventer, but researching the 9D-M3, it does not meet code for that application(says not for lines with glycol). Not sure if that is new or it was never installed to code. The 9D-M3 also does not meet the current lead-free standard. I think I have 3 options. Install new 9D-M3 and fill valve and get on with life.
2. Install a new double check valve on the system as it sits
3. Switch the 9D-M3 and fill valve to the irrigation side of my domestic water which already has a double-check valve in it. I worry about the surging on the irrigation side, but not sure if I should be. Just curious if anyone has any suggestions. Thanks in advance!