the red color denotes a specific spring tension designed to regulate gravity-fed or forced-draft gas systems within the 10" to 22" W

changing orifice sizes will significantly alter the regulator's flow capacity and performance curve

Use a multimeter to check for continuity across the terminals when the switch is cool

The Maxitrol R8110-412 is manufactured with high-tensile alloy to maintain its tension and calibration over long service intervals

The Heil Quaker ICP 1171981 Door Switch is a critical safety component used across a wide range of International Comfort Products (ICP) equipment

Robertshaw 1970-018 Thermocouple the red color denotes aThe Robertshaw 1970 018 Thermocouple is a high performance 18 inch Uni Couple engineered for universal pilot burner compatibility in commercial and residential standing pilot systems. Designed for professional HVACR gas appliance repair, this unit generates a consistent 20 to 30 millivolt (mV) output, ensuring rapid and safe pilot flame detection. The core construction features a stainless steel outer jacket that provides superior resistance to high