Watts F278510 174A 2″ 150# Pressure Relief Valve

Description

The Watts F278510 is a 174A Series pressure relief valve engineered to provide reliable overpressure protection in hydronic heating and plumbing systems. With a 2-inch connection size and a 150 PSI (150#) pressure rating, this valve is built to automatically discharge excess system pressure, safeguarding boilers, water heaters, and piping from potentially damaging overpressure conditions.

Key Features

• Model 174A pressure relief valve from Watts — a trusted name in flow control and water quality
• 2-inch connection size for compatibility with larger hydronic and plumbing systems
• 150 PSI (150#) pressure rating for dependable overpressure protection
• Automatic pressure relief operation — opens to discharge excess pressure and reseats when pressure normalizes
• Durable construction designed for long service life in demanding HVAC and hydronic applications
• Ideal for use on boilers, hot water heating systems, and related piping

Specifications

• SKU: F278510
• Model: 174A
• Connection Size: 2 inches
• Pressure Rating: 150 PSI (150#)
• Valve Type: Pressure Relief Valve
• Brand: Watts

Application

The Watts 174A relief valve is well-suited for hydronic heating systems, commercial boiler installations, and industrial water systems where maintaining safe operating pressures is critical. Its robust design and straightforward installation make it a go-to choice for HVAC contractors and plumbing professionals.