null Skip to main content
Image coming soon

Caleffi NA29284 : Solar Air Vent Shut-Off Valve 1/2" FNPT x MNPT

Caleffi

MSRP: $62.90
Your Price:  $44.03
(You save $18.87 )
(No reviews yet) Write a Review
SKU:
NA29284
UPC:
8.01662E+12
Condition:
New
Availability:
Ships in 1 Week
Adding to cart… The item has been added
Connection1/2" female NPT x 1/2" male NPT
Max Pressure150 psi
Medium Temp Range-20-360 deg F
Warranty2-Year Limited

The Caleffi NA29284 is a solar air vent shut-off valve with 1/2" female NPT x 1/2" male NPT connections. It is used in solar thermal systems.

Best for isolating in solar thermal loops where standard plumbing valves are not temperature rated.

Specifications sourced from Caleffi North America technical literature. Last reviewed July 2026.

Key Features

Solar-Rated Isolation

Seals and seat materials selected for the temperature range and glycol content of a solar thermal loop, unlike a standard plumbing ball valve.

Technical Specifications

Product TypeSolar Air Vent Shut-Off Valve
ApplicationSolar Thermal
Connections1/2" female NPT x 1/2" male NPT
CompatibilityCaleffi 250041A solar automatic air vent
Connection TypeNPT
Maximum operating pressure150 psi
Medium temperature range-20-360 deg F
Medium temperature range - Notewithout ice
Shipping Weight0.5 lb

Documentation

PDF

Related Products

Frequently Asked Questions

How is Caleffi NA29284 different from a standard ball valve?

Its seals and seat materials are selected for the temperature range and glycol content of a solar thermal loop. A standard plumbing ball valve is not rated for solar collector service.

What is the temperature rating of Caleffi NA29284?

The medium temperature range is -20-360 deg F, with a maximum operating pressure of 150 psi.

What is the warranty on Caleffi NA29284?

Caleffi covers this product under its standard two-year limited warranty against defects in material and workmanship from the date of shipment. ZOT Supply is an authorized Caleffi distributor.

Caleffi 2-Year Limited Warranty. Caleffi North America warrants this product to be free from defects in material and workmanship for two years from the date of shipment, when installed and operated in accordance with published instructions. ZOT Supply is an authorized Caleffi distributor with fast nationwide and international shipping.
Application:
Solar Thermal
Product Type:
Solar Air Vent Shut-Off Valve
Connection Type:
NPT
Connections:
1/2 inch female NPT x 1/2 inch male NPT
Max Operating Pressure:
150 psi
Medium Temperature Range:
-20-360 deg F
!