Tekmar Controls 403 Control R-407C Technicians should monitor the onboard

Technicians should monitor the onboard LED diagnostics for flash codes

How do I verify if the switch is failing or if it is a venting issue

this PSC (Permanent Split Capacitor) motor supports 2-speed operation and features a CW rotation from the lead end

because it is the high temperature silicone variant

Tekmar Controls 403 Control R-407C Technicians should monitor the onboardThe 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,