and RP series

avoiding incomplete combustion

Featuring a high-grade EPDM diaphragm

Common culprits include a clogged air filter

Weil McLain 510-218-145 Gauge 30067439-890 and RP seriesThe Weil McLain 510 218 145 is a professional grade water gauge glass cock set engineered specifically for technical diagnostics and liquid level monitoring in steam boiler systems. This assembly features a 1 2" NPT male inlet configuration, utilizing high quality cast bronze construction to ensure a pressure tight seal and long term reliability in high temperature hydronic environments. Designed as a direct OEM replacement part, this set includes