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Conbraco Industries 18C-512-3-150 3/4″ NPT T&P Relief Valve, 150 PSI, 210°F

BRAND: Conbraco Industries SKU: 18C-512-3-150

$256.45

MSRP: $294.92
You save 13%

3/4″ NPT T&P Relief Valve, 150 PSI, 210°F, 1,912,000 BTU, 3″ Probe

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Description

Conbraco Industries 18C-512-3-150 Temperature & Pressure Relief Valve

The Conbraco Industries 18C-512-3-150 is a high-performance Temperature and Pressure (T&P) Relief Valve engineered to provide critical overpressure and overtemperature protection for residential and light commercial water heaters and hydronic heating systems. Designed for dependable, code-compliant safety, this valve automatically opens to discharge water when system pressure or temperature exceeds safe operating limits — protecting equipment and occupants alike.

Key Specifications
  • Inlet Connection: 3/4″ Female NPT
  • Outlet Connection: 3/4″ Female NPT
  • Pressure Setting: 150 PSI
  • Temperature Setting: 210°F
  • BTU Capacity: 1,912,000 BTU/hr
  • Probe Length: 3 inches
  • Valve Type: Temperature and Pressure Relief Valve
  • SKU / Model: 18C-512-3-150
Features & Benefits
  • Dual-function protection against both excessive pressure (150 PSI) and high temperature (210°F) conditions
  • High BTU capacity rating of 1,912,000 BTU/hr suits a wide range of water heater and boiler applications
  • 3″ probe length ensures accurate sensing of water temperature within the tank or vessel
  • 3/4″ Female NPT inlet and outlet connections for straightforward installation with standard plumbing fittings
  • Manufactured by Conbraco Industries, a trusted name in plumbing and HVAC safety valves
  • Designed to meet safety standards for residential and light commercial water heating equipment
Application

The 18C-512-3-150 is ideal for use on residential and commercial water heaters, storage tanks, and hydronic boilers where reliable T&P protection is required. The valve’s 150 PSI pressure rating and 210°F temperature rating make it suitable for a broad range of system configurations, while its generous 1,912,000 BTU/hr capacity ensures it can handle high-demand installations without nuisance tripping.

Additional information

Valve Type

Temperature & Pressure Relief Valve

Valve Size

3/4"

End Connection

Female NPT

Pressure Rating

150 PSI

Temperature

210°F (99°C)

BTU Capacity

1912000 BTU/hr

Probe Length

3"

Application

Hydronic Boilers, Storage Tanks, Water Heaters

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