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WC (Inches Water Column)
If power is applied before the tank is completely filled with water and all air is bled from the lines
While often documented in manufacturer bulk packs
Legacy Replacement: Provides a simplified upgrade path for outdated Maxitrol SC10 series signal conditioners
Belimo B211+TFRB24-SR Valve Assembly 326058-757 WC (Inches Water Column)The Belimo B211+TFRB24 SR is a precision engineered 2 way characterized control valve assembly designed for modulating control in high performance hydronic systems. This 1 2 inch NPT valve features a stainless steel trim and a 1. 9 Cv rating, ensuring durable operation and tight shut off in air handling units and VAV reheat coils. Paired with a TFRB24 SR spring return actuator, the assembly provides 22 in lb of torque and reliable fail safe