60326 H.B. SMITH Sight Observation Glass Only – For 19A & 28A Series Boilers
The H.B. Smith 60326 Sight Observation Glass provides a clear, heat-resistant viewing window for monitoring boiler combustion and flame conditions. Designed for 19A and 28A Series boilers, this OEM-quality glass ensures safe and reliable operation while maintaining system visibility and performance integrity.
🌟 Key Features
✅ Genuine H.B. Smith replacement part
✅ Provides clear, durable flame and combustion visibility
✅ Heat- and pressure-resistant glass for high-temperature environments
✅ Designed to fit 19A and 28A Series observation ports
✅ Compatible with OEM gaskets 60317 (inner) and 60318 (outer)
✅ Simple installation and long-lasting clarity
⚙️ Technical Specifications
| Specification | Details |
|---|
| Brand |
H.B. Smith |
| Part Number |
60326 |
| Part Type |
Observation / Sight Glass |
| Compatible Series |
19A, 28A Boilers |
| Material |
High-temperature, heat-resistant glass |
| Application |
Observation port window |
| Used With |
Gasket Inner (60317), Gasket Outer (60318), Cover Plate (3420) |
⚠️ Common Symptoms (When Replacement Is Needed)
-
Clouded or cracked glass window
-
Reduced visibility into combustion chamber
-
Air leakage or heat loss at observation port
-
Evidence of soot or residue buildup
❓ FAQ
Q1: Is the 60326 glass pre-cut for the observation port?
➡️ Yes, it’s factory-sized to fit the 19A and 28A observation port assembly with no modifications needed.
Q2: Do I need new gaskets when replacing the glass?
➡️ Yes — always replace both inner (60317) and outer (60318) gaskets to ensure a tight, leak-free seal.
Q3: Can this glass be used on other H.B. Smith models?
➡️ This specific glass is designed for the 19A and 28A Series. Other models may require different dimensions.
🛒 Shopping Tips
💡 1. Always Replace Gaskets Together – When replacing the glass, also replace the matching gaskets (60317 & 60318) to prevent air leaks.
🧰 2. Clean Viewing Area – Before installing, clean the port area to ensure no residue interferes with sealing or visibility.
🔥 3. Inspect Annually – Replace glass if visibility becomes clouded or if cracking is visible.
📦 4. Keep Spare Parts On-Hand – Observation glass and gaskets are easy to store and essential for emergency maintenance.
🔍 5. Use OEM Parts – H.B. Smith components are precision-engineered for proper fit, safety, and durability.
