Watts W-PQ21X-16P 1 Air Vent, Stainless, MNPT

The Watts W-PQ21X-16P 1 is a 1" stainless air vent. It features a stainless body. Rated to 232 psi and -4°F to 230°F.

This 1 inch automatic vent valve is used in commercial and industrial hydronic heating applications to provide automatic air venting for water distribution systems. It contains stainless steel body construction with male NPT connection, stainless steel cover, air vent with silicone rubber seal, polyethylene float with valve plug and automatic air vent. Ideal for use with glycol systems and liquid cooling applications as an anti-vacuum device. This valve can also be installed to permit the separation and dispersal of air while fluid is circulating in the system. The maximum pressure is 232 psi (16 bar).

Features

• Stainless steel construction
• Air vent with silicone rubber seal
• Float is high temperaure resistant polyethylene
• Suitable for use with glycol systems

Common Questions

What is it designed for?

It is intended for hydronic heating service.

Specifications

• Size: 1"
• Inlet Size: 1"
• Connection: MNPT
• Connection Gender: Male
• Body Material: Stainless
• Max Pressure (psi): 232
• Application: Hydronic Heating
• Pack Quantity: 50
• Country of Origin: China
• Warranty: 1 Year Limited
• MPN: W-PQ21X-16P 1
• Temperature: -4°F to 230°F
• Lead-Free: No
• Component Role: Air Vent