What is the difference between the TR50VA018 and the AE-249

Professional Grade Reliability: Built for 24V Class 2 circuits

OEM Compatibility: Exact replacement kit for Copeland systems

Key Benefits OEM Compatibility: Precision-engineered for a seamless fit in Reznor SC Series and compatible unit heaters

For system diagnostics

Conbraco Industries 19-KEDA-15 Valve 30067439-890 What is the difference betweenThe Conbraco Industries 19 KEDA 15 Valve is a Section I steam pressure relief valve engineered for critical applications requiring strict adherence to ASME boiler codes. This safety valve features a 3 4" male NPT inlet and a 1" female NPT outlet, facilitating straightforward integration into various steam headers and manifold configurations. Factory set at 15 PSI relief pressure, it provides a discharge capacity of 310 lb hr, making it essential for