51" WC at the pressure port

as improper spacing can lead to erratic ignition or module damage

Common Questions Is the Utica-Dunkirk 28007 compatible with other hydronic brands

Engineered for 24V ignition systems

Direct OEM Fit: Ensures seamless mechanical compatibility with Carrier HC51SE230 specifications

Aprilaire S86NMU Thermostat 321042-401 51" WC at the pressureThe Aprilaire S86NMU Thermostat is a high performance digital thermostat designed to provide precision climate control for modern homes. As the official Aprilaire 8476 replacement, this universal programmable thermostat supports multi stage HVAC systems, including up to 2H 2C conventional and 4H 2C heat pump configurations. It features a sleek capacitive touch screen with a full color graphical display, making it easy to monitor indoor temperature and