Siemens Building Technology 274-03054 Valve Assembly R-410A Always refer to the red

Always refer to the red scales for CW and black scales for CCW operation

Industrial Standard Compliance: Meets MSS SP-80 and CRN requirements for professional-grade mechanical installations

Does this grille fit NuTone 684NT models

Multi-Try Reliability: The 3-try ignition sequence increases the success rate for combustion in cold starts or varied fuel conditions

Key Benefits of the REK10B Kit:

Siemens Building Technology 274-03054 Valve Assembly R-410A Always refer to the redThe Siemens Building Technology 274 03054 Valve Assembly is a precision engineered control solution for commercial HVACR hydronic systems. This factory assembled 2 way normally open valve features a 1 2" NPT connection and a 1. 0 Cv rating, optimized for low flow modulation in fan coil units, air handlers, and reheat coils. The bronze body (UNS CA 844) is paired with stainless steel trim and high temperature packing, enabling the assembly to handle