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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Its construction utilizes premium materials
it replaces older part numbers like RLY30062 and is specifically compatible with Lochinvar Knight KB81-286 and WB81-211 units
with a 7 VA transformer sizing
120-240 Vac
Always check local code requirements to see if a manual reset is mandatory for your specific boiler installation
Siemens Building Technology 257-02033 Valve Assembly 320734-701 Its construction utilizes premium materialsThe Siemens 257 02033 is a 2 way normally open pneumatic valve assembly engineered for precise proportional control in heating and cooling applications. Built with a 1 2 inch NPT x Union Male connection, this unit features a 0. 63 Cv rating and utilizes equal percentage flow characteristics to ensure linear heat transfer across varying load conditions. The forged brass body is paired with brass trim and a high performance pneumatic actuator featuring
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