Ease of Testing: Equipped with a standard top-mounted test lever for manual diagnostic checks and verification of clear waterways

allowing for rapid troubleshooting of ignition failure or limit switch trips

Key Benefits Exact OEM Fitment: Designed specifically for Carrier rooftop and air handling units

including the VA draw from most Wi-Fi thermostats and system relays

This module is specifically engineered for compatibility with HSI series boilers and commercial pool heaters

Resideo AT175A1008 Transformer 323613-751 Ease of Testing: Equipped withThe Resideo AT175A1008 is a heavy duty, multi tap 75VA HVAC transformer engineered for reliable 24Vac power distribution in commercial and industrial control circuits. Built to handle the demands of multi zone hydronic systems, large air handlers, and complex relay logic, this NEMA Type E rated component features a versatile primary compatible with 120V, 208V, and 240V inputs. The unit provides a stable 27. 5 V. O. C. secondary output, ensuring