Thermodisc Snap-Disc Switch – 120°F Low Limit / Proof of Fire | TDF120-20F / 60T22 / 4T120F | Flush Mount | Universal Fit for Breckwell, US Stove, Black Bart, Hitzer, and More

Thermodisc Snap-Disc Switch – 120°F Low Limit / Proof of Fire | TDF120-20F / 60T22 / 4T120F | Flush Mount | Universal Fit for Breckwell, US Stove, Black Bart, Hitzer, and More

Ensure safe, reliable startup and efficient blower operation with this 120°F Thermodisc Snap-Disc Switch, designed for use as a Low Limit or Proof of Fire (POF) switch in pellet, wood, and coal stoves. This switch closes at 120°F to signal the control board that combustion is active—preventing premature blower operation and promoting efficient heat circulation.

Compatible with a wide range of stoves including models from Breckwell, US Stove, Black Bart, Hitzer, Country Flame, Heatmaster, and High Valley, this part is available in both standard and flush mount formats to suit different installations.

🔧 Key Features:

✅ Proof of Fire / Low Limit Control – Activates at 120°F to confirm flame presence and regulate blower
✅ Snap-Disc Thermostat – Reliable automatic temperature sensing
✅ Flush Mount or Standard Mount Options – Ensures a clean, secure installation on most stove surfaces
✅ Energy-Efficient Operation – Prevents cold air circulation by engaging blower only at optimal temperature
✅ OEM & Aftermarket Fit – Compatible with multiple original and updated stove models

📐 Specifications:

📌 Part Numbers: TDF120-20F, 60T22, C-E-090-22C (Breckwell), 4T120F
📌 Function: Closes at 120°F to activate blower; opens below threshold
📌 Mounting Style: Standard or flush/recessed
📌 Terminal Type: Spade connectors
📌 Reset Type: Automatic
📌 Temperature Rating: 120°F (Snap Disc Closes)
📌 OEM Status: OEM-style and aftermarket replacement

🔧 Compatible Stove Brands & Models:

Breckwell Pellet Stoves:
• P1000 Big E
• P20, P22, P23, P24
• P2000, P2700, P26, P28
• P32, P4000 Classic Cast
• SP6000 (Pre-2013)

US Stove Pellet Stove:
• 5040 Pellet Heater

Other Compatible Brands:
• Black Bart – replaces OEM #4T120F
• Hitzer
• Country Flame
• Heatmaster
• High Valley

📌 Note: Some older units may require an adapter plate if mounting hole spacing exceeds 1". Always check your stove’s manual or existing part to confirm compatibility.

Pairs well with: Black Bart Stove Parts

🔥 Why Choose This 120°F Thermodisc Switch?

Whether you're replacing a worn-out snap disc or upgrading for better temperature regulation, this part ensures your stove activates safely, efficiently, and only when it's truly ready. Designed to meet or exceed OEM specs, it's a trusted solution for modern and legacy stove systems.

✅ Maintain safe, efficient heat control—upgrade with this 120°F Low Limit / Proof of Fire Thermodisc Switch today!