The Zurn Z812B4‑XL AquaSpec® 4" Centerset Gooseneck Faucet features a polished chrome‑plated cast brass body, quarter‑turn ceramic disc cartridges, and a 2.2 GPM pressure‑compensating aerator. With ADA‑compliant wrist blade handles and a tall gooseneck spout, it is ideal for commercial lavatory applications.
Key Installation Requirements:
- Deck‑mount installation with 4" centerset spacing
- Supply connections: 1/2" NPSM riser nuts for standard lavatory risers
- Maximum supply pressure: 125 PSI
- Maximum operating temperature: 180°F
- Install with proper mounting hardware included
- Follow ADA guidelines for installation height and accessibility
Important Notes Before Installing:
- Do not overtighten mounting nuts — hand tighten only
- Flush supply lines thoroughly before installation to remove debris
- Ensure cartridges are properly seated before tightening handle nuts
- Use only genuine Zurn replacement cartridges and aerators
- Check compliance with local plumbing codes before installation
- Clean chrome finish with mild soap and water; avoid harsh chemicals
Basic Installation Overview:
- Apply plumber’s putty to underside of faucet body
- Position faucet on sink deck with 4" centerset holes
- Secure faucet using mounting nuts from underside of sink
- Attach hot and cold lavatory supplies with riser nuts
- Turn on water supply and check for leaks
- Test faucet operation; adjust handle alignment as needed
- Install aerator into gooseneck spout and hand tighten
For complete specifications and installation guidelines, download the official Z812B4‑XL Spec Sheet and the Installation & Maintenance Manual.
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