The Honeywell 14004406-800 Humidistat Cover (also identified as 14004406-800/U) is a professional-grade satin chrome housing designed specifically for HP970 and HP972 pneumatic humidistats

and SC series furnaces

Engineered as a versatile "relay in a box

or the motor failing to turn over despite receiving power

Robertshaw 1950-560 Thermopile Els PW 17895 The Honeywell 14004406-800 Humidistat CoverThe Robertshaw 1950 560 Thermopile is a high output 750 millivolt generator designed for heavy duty performance in self powered gas control systems. As a 2 lead thermopile featuring a 60 inch lead length, this component provides ample reach for large scale commercial or residential burners, ensuring a reliable pilot flame safety signal. This high performance powerpile is engineered for millivolt heating systems that do not require external power,