Apollo 160 lb bronze relief valve 1‑1/4″ 10‑616‑10

Apollo 160 lb bronze relief valve – reliable hot water pressure protection

The Apollo 160 lb bronze relief valve model 10‑616‑10 (also marked 1061610) is a top-tier safety device engineered for hot water heating and boiler systems. Featuring a 1‑1/4″ inlet and 1‑1/2″ outlet FNPT configuration, it safeguards against overpressure in hydronic systems and hot water applications. Preset at 160 psi, this relief valve opens automatically to protect equipment and piping from unsafe pressure buildup.

Design and performance ratings

Built on the trusted 10-600 Series, this valve comes with an ASME Section IV certification, ensuring reliable and compliant operation across a pressure adjustment range of 15 to 160 psi. The bronze body, internal spring cage, and corrosion-resistant trim deliver long-term durability, making it ideal for industrial and residential hot water systems.

Constructed for high discharge capacity, the valve features an oversize outlet and diaphragm-isolated spring chamber, minimizing outlet flooding and extending service life.

Key features summary

• Bronze body and trim for corrosion resistance

• Preset at 160 psi, adjustable between 15–160 psi

• Rated for temperatures up to 250 °F

• 1‑1/4″ FNPT inlet × 1‑1/2″ FNPT outlet

• Lever lift actuator for manual testing and release

• Discharge dimensions: ~8.4″ tall × 5.1″ wide

Applications and ideal uses

This valve is essential in:

• Water heating systems and boilers

• Hydronic piping circuits

• Solar thermal systems

• Industrial process vessels

• Any closed-loop hot water system requiring high-capacity overpressure protection

Its bronze construction ensures compatibility with potable water applications, while the lever actuator simplifies testing and maintenance.

Installation & maintenance recommendations

• Install vertically atop the system relief point.

• Check valve orientation with flow arrow or handle direction.

• Utilize proper sealants like PTFE tape on FNPT threads.

• Test periodically using the lever to ensure compliance.

• ASME code allows adjustment within specified range.