Watts F275264 174A-1-100# 2,635,000 BTU Relief Valve 100 PSI 1″

Description

Watts F275264 174A-1-100# Pressure Relief Valve Overview

The Watts F275264 is a high-capacity pressure relief valve from the trusted 174A series, engineered to provide dependable overpressure protection in boiler, hydronic heating, and hot water system applications. With a rated relief capacity of 2,635,000 BTU/hr and a 100 PSI set pressure, this valve is built to handle demanding commercial and industrial system requirements with precision and reliability.

Key Features

• High-capacity relief rating of 2,635,000 BTU/hr for commercial and industrial boiler systems
• 100 PSI (100#) factory-set pressure relief setting
• 1″ connection size for straightforward integration into existing piping
• Watts 174A series design — a proven, industry-standard relief valve platform
• Provides critical overpressure protection to safeguard boiler and hydronic equipment
• Durable construction designed for long service life in high-demand heating applications

Specifications

• SKU: F275264
• Model: 174A-1-100#
• Relief Capacity: 2,635,000 BTU/hr
• Set Pressure: 100 PSI
• Connection Size: 1″
• Valve Type: Pressure Relief Valve
• Brand: Watts

Application

The Watts 174A series relief valve is widely used in commercial boiler rooms, hydronic heating systems, and hot water supply systems where reliable pressure relief is essential for equipment protection and code compliance. The F275264 is an ideal replacement or new-installation valve for high-BTU output systems requiring a 100 PSI relief threshold.