verify the part number against the unit nameplate to ensure static pressure ratings match

you mitigate the risk of uneven evaporator feeding

Check for carbon buildup on the thermopile head or loose spade connectors

the internal rubber diaphragms of actuators like the SKP25

or ceiling-recessed units

International Environmental 70300238 Heater Element 318172-701 verify the part number againstThe International Environmental 70300238 Heater Element is a critical OEM replacement part designed specifically for Series M and Y fan coil units and compatible HVAC air handler units. Engineering a reliable thermal solution, this 277V 1. 5KW electric heater element provides consistent 5. 4 Amp resistance heating to ensure architectural comfort in demanding commercial environments. As a veteran grade fan coil unit heater assembly, it features a