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6461-150 AERCO Boiler RELIEF VALVE 1" 150 PSI
colemanhvacparts.com, www.darindevries.com

6461-150 AERCO Boiler RELIEF VALVE 1" 150 PSI

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6461-150 AERCO Boiler RELIEF VALVE 1" 150 PSI

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AERCO 6461‑150 is the OEM 1″, 150 PSI Relief Valve used on AERCO boilers and water heaters. Grounded distributor data confirms its specifications, function, and availability.

AERCO 6461‑150 Relief Valve (1″, 150 PSI) — OEM safety valve for AERCO boilers and water heaters. Automatically opens at 150 PSI to protect piping, heat exchangers, and equipment from over‑pressurization. Heavy‑duty construction ensures reliable performance in commercial hydronic and hot‑water systems.

🔧 Core Identity & Function

Part Number: 6461‑150 Component: Pressure Relief Valve Size: 1″ NPT Pressure Rating: 150 PSI OEM: AERCO

This valve provides over‑pressure protection for hydronic and hot‑water systems. When system pressure exceeds 150 PSI, the valve automatically opens to discharge excess pressure, then reseats once pressure returns to safe levels.

This prevents:

  • Heat‑exchanger damage

  • Piping rupture

  • Unsafe boiler operation

  • Code violations

Grounded sources confirm it is engineered specifically for AERCO boiler and water‑heater assemblies.

Technical Specifications

  • Connection: 1″ NPT

  • Relief Pressure: 150 PSI

  • Application: Boiler & hydronic heating systems

  • Operation: Automatic pressure relief / automatic reseat

  • Construction: Heavy‑duty commercial HVAC grade

Applications

Used in:

  • AERCO Benchmark boilers

  • AERCO water heaters

  • Commercial hydronic loops

  • Hot‑water supply systems

Typical replacement scenarios:

  • Relief valve weeping or stuck open

  • System pressure creeping above 150 PSI

  • Annual safety‑device replacement

  • Code‑required maintenance