Tekmar Controls 403 Control 321042-401 it is ideal for low-flow

it is ideal for low-flow installations

Key Benefits Direct OEM Compatibility: Specifically engineered as the updated Rheem water heater replacement part for the legacy AP9013E-3 model

The DCL model

Does the coil include the electrical junction box

Tekmar Controls 403 Control 321042-401 it is ideal for low-flowThe Tekmar Controls 403 is a sophisticated 24Vac tN2 House Control designed for multi zone hydronic systems requiring high precision management of outdoor temperature reset and indoor temperature feedback. This microprocessor based hub effectively coordinates boiler control, domestic hot water (DHW), and mixing valve operations through a centralized tekmarNet 2 bus. Built to drive up to 4 zone pumps on board, the 403 supports single stage, two stage,