In this series, HPAC Engineering regularly shares current useful and actionable information about the U.S. boiler industry, as compiled by the knowledgeable and prolific content creators at WARE. The family-owned, third-generation, commercial and industrial boiler rental and service firm is based in Louisville KY.
- For more boiler education videos, visit the vast WARE resource library here.
Here, Ritchie Ware and Jude Wolf discuss why scale is the top cause of boiler failure, but is also totally unnecessary. From daily water softener testing to using chemicals that prevent buildup, learn the best practices for maintaining boiler health and efficiency.
Discover why scale is the #1 cause of boiler failure and how to combat it. From daily water softener testing to using chemicals that prevent buildup, we’ll guide you through the best practices for maintaining boiler health and efficiency.
Blowndown Video: https://youtu.be/t7gYOQP3wME
00:00 Part 1: Understanding Scale in Boilers (00:00–08:27)
This section explains:
- What scale is and how it forms in boilers.
- The different types of scale, including calcium, magnesium, silica, and iron scale.
- The negative effects of scale on boiler efficiency, metal fatigue, and long-term reliability.
- Key prevention strategies:
- Using water softeners effectively.
- Conducting daily water testing and blowdowns.
- Monitoring chemical treatments.
- Differences between water tube and fire tube boilers in terms of scale formation and repair difficulty.
**Key Takeaways:**
- Scale is preventable, but requires vigilance.
- Daily maintenance and testing are essential to avoid costly repairs and downtime.
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08:28 Part 2: Demonstrating Water Softener Testing (07:34–8:28)
This part transitions to a **practical demonstration** of how to test water hardness using a water softener test kit:
- A step-by-step guide on:
- Collecting water samples.
- Adding buffer, indicator powder, and reagent to test for water hardness.
- Interpreting the results (e.g., blue indicates soft water; hardness levels measured in grains per gallon).
- Explanation of what “grains per gallon” means and its impact on the boiler.
- Emphasis on documenting water softener performance (e.g., gallons before regeneration, operating tank) to aid troubleshooting.
**Key Takeaways:**
- Proper water testing prevents hard water from entering the boiler.
- Routine documentation helps identify and resolve issues proactively.
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