whereas the 27W13 is specifically engineered for the higher operating pressures of HFC-410A systems

Built with silicon nitride construction

allowing for versatile field terminations using either stripped wire or standard spade connectors

supporting service limits up to +750°F (+399°C)

If the vent is clear

Raypak 007399F Tridicator Gauge Els PW 17895 whereas the 27W13 is specificallyThe Raypak 007399F Tridicator Gauge is a professional grade boiler temperature and pressure gauge designed for high accuracy monitoring in hydronic heating systems. Featuring a dual scale interface, this instrument provides real time diagnostics with a pressure range of 0 200 PSI and a temperature range of 70F to 320F (20C to 160C). This OEM replacement part is built with a rugged 2 inch dial and a standard 1 2" NPT back connection, ensuring a secure