Apollo 10-400 Bronze Safety Relief Valve, 50 psi, 3/4" NPT vs Watts boiler relief valve 3/4" 30 psi

Overall winner: Watts boiler relief valve 3/4" 30 psi

Key Differences

Watts (Product A) is a 30 psi boiler relief valve noted for quality construction and strong user ratings, making it a reliable OEM-style replacement; Apollo (Product B) is a 50 psi bronze safety relief valve with a 3/4" male NPT inlet and ASTM B584 bronze body, offering a higher pressure setting and bronze construction. Choose Watts if you want the better-reviewed, OEM-fit 30 psi option; choose Apollo if you need a 50 psi preset bronze valve with male NPT threading

Apollo 10-400 Bronze Safety Relief Valve, 50 psi, 3/4" NPT

Apollo 10-400 Bronze Safety Relief Valve, 50 psi, 3/4" NPT

APOLLO • ★ 3.8/5 • Budget

Relief valve for hot water systems with a 50 psi preset and bronze body. Stainless steel spring provides corrosion resistance and high-temp compatibility. Customer note highlights reliable pressure relief performance

Pros

  • 50 psi relief preset for pressure control
  • 3/4" NPT inlet connection
  • bronze body and nozzle for corrosion resistance
  • stainless steel spring for durability

Cons

  • no explicit customer-rated installation guidance
  • no combined-set pressure range information
  • no material data for all internal components listed in customer insights
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Watts boiler relief valve 3/4" 30 psi

Watts boiler relief valve 3/4" 30 psi

Watts • ★ 4.0/5 • Mid-Range

"Boiler relief valve" for 3/4" pipes with 30 psi rating. Provides functional replacement for OEM parts and fits exactly, per user feedback

Pros

  • exact fit
  • functional valve
  • compatible replacement for OEM parts
  • good quality

Cons

  • some leakage reports
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Head-to-Head

CriteriaWinner
Price APOLLO
Durability Watts
Versatility APOLLO
User Reviews Watts