The Watts 0121542 is a high-capacity boiler pressure relief valve designed for commercial and industrial hydronic heating systems

Versatile Compatibility: Designed for seamless integration as a pneumatic positioner on a variety of Spence main valve bodies

ensuring it can handle the high-volume discharge required for commercial-grade heating systems

Oils from your skin can cause the hot surface igniter to fail upon its first cycle

The valve body is typically rated for fluid temperatures ranging from 32°F to 200°F

Lochinvar & A.O. Smith 100109424 Valve 322838-753 The Watts 0121542 is aThe Lochinvar & A. O. Smith 100109424 Valve is a specialized Intellivent gas control valve engineered for precision fuel regulation in high efficiency residential and light commercial natural gas water heaters. As a veteran grade OEM replacement gas valve, it features a 1 2" NPT inlet outlet and is factory set for a 4. 2" WC manifold pressure to ensure optimal combustion stability. This gas control thermostat incorporates an integrated ECO (Energy Cut