For boilers with fuel input ratings of 12,500,000 Btu/hr or less, what standard must the controls and safety devices comply with?

Boilers with fuel input ratings of 12,500,000 Btu/hr or less are required to have their control and safety devices comply with ASME CSD-1. This standard, which is recognized by the American Society of Mechanical Engineers, addresses the safety controls and devices for boilers and water heaters that use fuel. It outlines critical safety requirements to ensure proper operation, reliability, and safety of these systems, helping to prevent accidents and ensure they function correctly under varying conditions.

ASME CSD-1 specifically covers the design, installation, operation, and maintenance of the safety devices used in low-pressure boilers and high-pressure steam boilers among other provisions. Compliance with this standard is crucial for ensuring that boilers operate safely and efficiently, reflecting the importance of stringent safety measures in boiler management.

The other standards mentioned, while relevant to the industry, do not specifically pertain to the control and safety device compliance for boilers of this size. Understanding the application of ASME CSD-1 is vital for those involved in the installation and maintenance of boiler systems, ensuring adherence to safety regulations and enhancing overall system integrity.