Reznor 121275 Stack Flue Block Manual Reset Eco L275F Limit Switch

SKU: 121275

$90.00
Stock: 1 unit

Description

  • The Reznor 121275 Stack Flue Block Manual Reset Eco L275F Limit Switch is an essential, high-precision safety sensor designed to monitor exhausting integrity within commercial and industrial gas-fired unit heaters.
  • This heavy-duty thermal cutout is engineered to open instantly at exactly 275°F if a downstream ventilation obstruction, blocked flue stack, or structural exhaust backflow occurs.
  • Featuring a strict manual reset mechanism, this switch locks out furnace operations to prevent automatic equipment restarts, ensuring a professional HVAC service technician inspects the vent pipe pathways before the heating cycle can safely resume.
  • Perfect for commercial property maintenance managers and mechanical pipe fitters, this genuine Reznor OEM safety block ensures absolute compliance with regional exhaust codes while maintaining original factory safety certs across F-series heater lines.

Specifications

Manufacturer / Brand

Reznor (Thomas & Betts / Nortek Global HVAC)

Product Line / Series

Vent Safety Switch Component Series

Manufacturer Part Number / SKU

121275

UPC

290123512125

ASIN

B003U4DH9Y

Switch Trip Temperature

Opens at exactly 275°F (135°C)

Electrical Interface

Standard 1/4" male spade terminal connectors

Item Weight

136 grams (4.8 oz)

Product Dimensions

101.6 mm x 45.7 mm x 25.4 mm (4.00" x 1.80" x 1.00")