Industrial Durability: Constructed with a hermetically sealed case to resist moisture

This industrial relay eliminates the need for field-fabricated enclosures

but it is frequently stocked in multi-pack configurations for larger service contracts

ensuring long-term reliability in demanding HVAC resistive heating applications

Note that this assembly is provided less bracket

Sensus 143-16-508-00 Throat Block Els PW 17895 Industrial Durability: Constructed with aThe Sensus 143 16 508 00 Throat Block is an essential internal component designed specifically for industrial gas pressure regulation systems. This version is the throat block without O ring seal, engineered for integration into Sensus 243 and Model 143 80 service regulators. Built to maintain structural integrity under high flow conditions, this acetal or cast aluminum insert ensures proper stem guide alignment and support within the lower diaphragm