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Watts F274496 3/4" Boiler Pressure Relief Valve 8,75,000 BTU 45 PSI

Special Price $231.69 Regular Price $257.18
In stock
SKU
F274496
The Watts F274496 Boiler Pressure Relief Valve is an essential safety product that is used to prevent pressure surges in boilers which can lead to major accidents. This is a 3/4” FNPT Boiler Pressure Relief Valve designed for boilers with a heat input of 8,750,000 BTU. When the pressure inside the boiler rises above the valve setting of 45 PSI, then the valve opens to release pressure that would otherwise cause an explosion. This is especially an essential in HVAC systems constructions where boilers are utilized to heat water to provide heating systems for purposes such as space heating, domestic water heating, and for use by process industries.
Manufacturer:
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Specifications

  • Type: Boiler Pressure Relief Valve
  • Connection: 3/4" FNPT
  • Pressure Rating: 45 PSI
  • Capacity: 8,75,000 BTU
  • Seies: 174A
Manufacturer Name: Watts
Product Number: F274496
OEM Part Number: F274496
Product Description: 174A-3/4-45# 875,000 Relf Valve
Weight:1.22lbs/553.38g

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Customer Questions
What maintenance is required for the Watts F274496 Pressure Relief Valve?

Regularly inspect the valve for signs of leakage, corrosion, or mineral buildup. Test the pressure relief operation periodically to ensure proper operation. Keep the discharge line unobstructed. Follow safety precautions when working with pressurized boiler systems to prevent damage.

What are common issues with the Watts F274496 Pressure Relief Valve?

  • Valve failing to open at set pressure.
  • Continuous or intermittent leaking.
  • Mineral buildup affecting operation.
  • Pressure fluctuations in the system.
  • Sticking or delayed valve response.

Installation Steps

Step 1: Shut off appliance and allow system to cool completely to prevent burns.

Step 2: Drain pressure from system and remove old valve using appropriate tool.

Step 3: Apply sealant to threads of new valve.

Step 4: Install valve on designated boiler port and tighten securely.

Step 5: Restore water supply then slowly repressurize and check for leaks.