1 plumbing & PVF manufacturer has announced a price increase taking effect in December 2021, led by Guardian (8.5%, Dec 1, 2021).
Checked daily · last checked Nov 2, 2026.
Plumbing & PVF Price Increases December 2021
1 Plumbing & PVF manufacturer price-increase letter from 1 brand taking effect in December 2021. Every row links to the original letter or posting.
Utility rate changes
Water and sewer rate changes are tracked apart from manufacturer price letters. Water rate changes lists proposed and approved changes. A proposed row is labeled Proposed, not approved.
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| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Dec 1, 2021 | Guardian | Convoy Supply (US) bulletin: Guardian will implement a price increase of 8.5%, effective December 1, 2021, on all products. All orders with the above products shipped on or afte… | 8.5% | Original letter · Convoy Supply (US) |