WATTSSKU: 725260

WATTS® 0386466 1-Piece Boiler Fill Fitting

$138.77
In stock (22)

The WATTS® 0386466 1-Piece Boiler Fill Fitting offers a streamlined solution for meeting boiler manufacturers' piping specifications in residential hot water heating systems. Its innovative one-piece design incorporates a unique 3-way ball valve that isolates the water pressure regulator and expansion tank from system pressure, eliminating the need for multiple fittings and threaded joints. The fitting also includes a drain port with an integral ball valve to safely release pressure from the expansion tank diaphragm during maintenance, along with a pressure gauge measuring zero to thirty psi, making service and monitoring straightforward and efficient.

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays.

More Details

Product overview
  • Unique, 3-way ball valve design
  • Drain port with integral ball valve for unloading pressure from waterside of expansion tank diaphragm for air charge servicing and maintenance, Drain port can also be used for a variety of system draining and filling operations
  • 0 To 30 psi pressure gauge
  • 250 Deg F inlet temperature
  • One-piece construction
Specifications
Manufacturer Part Number 0386466
UPC n/a
Overall Dimensions n/a
Material n/a
Domestic or Import Import
End Style n/a
Type 1-Piece
ADA Compliance n/a
Warning n/a
Standards and Approvals ASSE Listed | FM Approved | NSF Approved | UL/ULC Listed | USC Certified | WQA Certified | PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.
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Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: May 25, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

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