We recommend using the provided copper strap to ensure 100% contact with the suction line at the 10 or 2 o’clock position for accurate temperature sensing

This component is engineered for the Robertshaw 1820 and 1830 series

Engineered for VAV terminal unit applications

For veteran HVACR technicians

Warrick 26MB1A0A Control 30067439-890 We recommend using the providedThe Warrick 26MB1A0A is a heavy duty, solid state liquid level control designed specifically for boiler low water cutoff protection. Engineered with a 10,000 ohm sensitivity, this direct acting module ensures high reliability switching in conductive liquid systems, meeting strict CSD1 requirements for industrial boiler safety. This 120Vac unit utilizes an 11 pin octal socket design for seamless plug in module replacement and field installation,