Siemens Industrial Controls 3RH2911-1HA22 Contact Block 326010-701 regardless of whether the system

regardless of whether the system is in heating or cooling mode

Always verify the prefix and suffix of your valve body to ensure a match

this unit features a factory-installed 6-foot power cord with a grounded male plug and a 6-foot cord with a female outlet

this controller is the standard for automatic water feeders and safety limit integration

Service Life: Engineered to withstand the thermal and mechanical stresses typical of commercial hydronic systems and high-pressure fluid transfer

Siemens Industrial Controls 3RH2911-1HA22 Contact Block 326010-701 regardless of whether the systemUpgrade your control panel's logic with the Siemens 3RH2911 1HA22, a high performance 4 pole auxiliary contact block designed for heavy duty industrial automation. This front mount unit features a 2NO + 2NC contact configuration (2 Normally Open and 2 Normally Closed), making it essential for expansion in complex HVACR and motor control circuits. Engineered as part of the SIRIUS modular system, it provides seamless integration with 3RT2 contactors and