St. Croix Low Limit Fan Switch (80P20038-R / 20159) – 110°F Proof of Fire Snap Disc for Pellet & Corn Stoves

St. Croix Low Limit Fan Switch (80P20038-R / 20159) – 110°F Proof of Fire Snap Disc for Pellet & Corn Stoves

Ensure safe and reliable operation of your stove with this St. Croix Low Limit Fan Switch (80P20038-R / NBK 20159), also known as a Proof of Fire (P.O.F.) switch. This flush-mount, normally open snap disc switch closes when temperatures reach 110°F, triggering the blower system. It reopens at 90°F, preventing the blower from running when the stove is not producing adequate heat. Commonly mounted on the combustion blower housing, this switch is a critical safety and efficiency component in St. Croix pellet and corn stove models.

Key Features:
✅ Proof of Fire Functionality – Confirms ignition before enabling blower operation
✅ Low Limit Temperature Activation – Closes at 110°F, reopens at 90°F
✅ Flush Mount Snap Disc – Space-saving design with secure panel integration
✅ OEM-Compatible – Replaces part number 80P20038-R with equivalent NBK 20159 switch
✅ Safe & Efficient – Ensures fan only runs when the stove is actively heating

Specifications:
📌 Part Numbers: 80P20038-R, NBK 20159, F110-20F
📌 Switch Type: Snap disc, normally open
📌 Close Temperature: 110°F
📌 Open Temperature: 90°F (20°F differential)
📌 Mounting Style: Flush mount
📌 Application: Combustion blower / proof of fire switch
📌 OEM Status: Replacement for St. Croix original part

Compatible Models:
• Afton Bay
• Ashby-MF, Ashby-P
• Auburn
• Eclipse
• Element-MF, Element-P
• Greenfield
• Hastings
• Lancaster
• Lincoln SCR (Serial # 0–300)
• Lincoln SCS (Serial # 301 and above)
• Pepin
• Prescott EX, Prescott EXP, Prescott EXL
• Revolution
• SCF-050
• York Insert

This St. Croix proof of fire snap switch is essential for proper fan activation and system safety. Whether you're replacing a faulty component or performing maintenance, this switch ensures your stove operates only when it's safe and ready. Order now to keep your heating system reliable and secure!