Pay in 4 interest-free payments of $6.62 Learn more
Ships within 48 hours · Estimated delivery Nov 1 - Nov 6
The MARS 12789 is a heavy-duty 45/7
High-Temperature Protection: Specifically calibrated with a 230-250F open/close threshold to prevent heat exchanger cracking and thermal runaway
Proper installation of this replacement burner orifice is essential for preventing soot accumulation
Combustion Stability: Eliminates the risk of pressure fluctuation and "hunting" that can occur when using non-spec or generic conversion springs
000 to 415
Heil Quaker ICP 1009169 Limit Switch The MARS 12789 is aThe Heil Quaker ICP 1009169 230 250F Auto Limit Switch is a critical safety component designed for precise thermal regulation within gas furnaces and technical HVAC systems. As an OEM replacement limit switch, this part is engineered to monitor heat exchanger temperatures, ensuring that the system shuts down if internal temperatures exceed the designated safety threshold. This specific model features an operating range of 230? F to 250? F and utilizes
