always verify your model number and serial number against the HVAC technical specifications to ensure the orifice sizing matches your unit's BTU rating

This electronic temperature control assembly replaces older 6203-071B and R0099700 modules

Engineered for high-ambient environments to prevent thermal overload in condensing units

suitable for secondary stages or alarm signals

providing flexibility for various automation sequences

Siemens Building Technology 599-10305S Valve 318518-761 always verify your model numberThe Siemens Building Technology 599 10305S is a high performance 2 way ball control valve engineered for critical flow regulation within HVAC hydronic systems. Featuring a 4. 0 Cv flow coefficient and an equal percentage flow characteristic, this valve ensures linear heat transfer and precise modulation in both chilled water and hot water loops. The 1 2" NPT threaded connection allows for standard integration into existing piping, while the forged