This immersion temperature controller is essential for contractors requiring an L4006A equivalent for high-limit protection in commercial or residential boiler applications

supporting a system static pressure up to 400 psi and fluid temperatures between 32° and 200°F

the SEC99AA-24 armored capillary (identical to SEC99AA-24C) is a reliable solution for connecting pressure-actuated controls

This unit features a manual hi-lo adjustment range of 1

What is the physical diameter of a #54 orifice

McDonnell & Miller 63 Low Water Cut Off Freon This immersion temperature controller isThe McDonnell & Miller 63 Low Water Cut Off (Part Number 142400) is a heavy duty, float operated safety control designed for residential, commercial, and industrial boiler applications. This mechanical LWCO is specifically engineered for use with both hot water and steam boilers, providing a critical layer of protection against dry fire conditions. Featuring a 1" NPT threaded connection for equalizing pipes, it is rated for a maximum boiler pressure