Lochinvar & A.O. Smith 100157611 Kit R-407A The GC Valve S311GF02N9BF5 is

The GC Valve S311GF02N9BF5 is a high-performance 2-way normally closed solenoid valve designed for precision fluid control in industrial and commercial HVACR applications

Is the CRHEATER105A00 compatible with single-phase power

Precision Balanced: Minimized shaft runout reduces bearing wear and prevents the "grinding" noise common in failing units

Robust Safety Integration: Features an ECO (Energy Cut-Off) high-limit switch that automatically shuts down gas flow if water temperatures exceed safe operating parameters

The standard MA41-7153 is a 2-position unit

Lochinvar & A.O. Smith 100157611 Kit R-407A The GC Valve S311GF02N9BF5 isThe Lochinvar 100157611 (cross referenced as A. O. Smith 100157611) is a heavy duty 4" side wall vent kit engineered for high efficiency condensing water heaters and boilers. This horizontal termination kit is built to manage flue gases effectively while preventing recirculating exhaust into the air intake, ensuring optimal combustion stability. Designed for compatibility with specific Lochinvar Knight and A. O. Smith Cyclone series models, the