Overview
The Tel-Tru UT300 thermometer is a proven analog temperature gauge designed for serious barbecue and smoking enthusiasts. With a 3″ anodized aluminum dial and a 6″ stem, this thermometer provides reliable temperature readings across a 50–550°F range. Made in the USA, the UT300 combines durable stainless steel construction with simple, battery-free operation—ideal for pit masters and grill operators who demand accuracy without electronics.
Key Features
- 3″ Anodized Aluminum Dial: Large, easy-to-read face with black pointer for clear temperature indication at a glance.
- 6″ Stem: Extended probe length allows installation deep into smoker boxes and pits for true internal temperature monitoring.
- 50–550°F Range: Covers low-temperature smoking (212°F and below) through high-heat grilling.
- 1/2″ NPT Threaded Connection: Standard industrial thread for secure mounting in 7/8″ diameter holes with included nut.
- Stainless Steel & Aluminum Construction: Rugged, corrosion-resistant materials withstand heat, moisture, and outdoor conditions.
- Analog Operation: No batteries, no electronics—simple mechanical thermometer for years of trouble-free service.
Technical Specifications
| Model Number | UT300 |
| Manufacturer | Tel-Tru Manufacturing Co. |
| Dial Size | 3 inch diameter |
| Dial Material | Anodized aluminum |
| Stem Length | 6 inches |
| Temperature Range | 50–550°F |
| Connection Type | 1/2″ NPT threaded |
| Installation Hole Size | 7/8″ diameter |
| Display Type | Analog mechanical (battery-free) |
| Construction | Stainless steel and anodized aluminum |
| Country of Origin | Made in USA |
| Package Dimensions | 7.95 x 3.74 x 3.7 inches |
| Weight | 9.17 ounces |
Typical Applications
- Offset smoker chambers and firebox temperature monitoring
- Kamado and ceramic cooker pit thermometers
- Pellet smoker and grill lid/dome temperature gauges
- Barrel smoker and gravity-fed cooker installations
- BBQ competition pit temperature tracking
- Backup analog gauge for digital controller systems
Compatibility & Replacements
Compatible With
- Weber Smokey Mountain cookers
- Old Country offset and gravity-fed smokers
- Kamado Joe and Big Green Egg adapters (with installation kit)
- Vertical water smokers and drum smokers
- Standard 7/8″ diameter thermometer probe holes
- Any pit or cooker with 1/2″ NPT port configuration
Replaces / Drop-In Replacement For
- Earlier analog dial thermometers with 1/2″ NPT thread and 50–550°F range
- Other UT300 variants with different stem lengths (2.5″, 4″, or 6″)
Works With
- Tel-Tru Installation Kit #4903101 (sold separately; recommended for non-standard applications)
- Compatible with thermometer adaptation kits for egg-style cookers
- Pairs well as a backup gauge in digital thermometer systems
- No software or digital platforms required
