The F89-0148 features a 1/2" NPT connection

Operating at speeds up to 1140 RPM

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

Enhanced System Safety: Critical for monitoring flue draft to prevent incomplete combustion or carbon monoxide leakage

This high-grade brass compression vent tube connector facilitates a secure

Sensus 143-16-508-00 Throat Block Els PW 17895 The F89-0148 features a 1/2"The 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