Honeywell Home THM5421R1021/U Prestige 2-Wire IAQ Equipment Interface Module GN-503F (918-0007-002) Replacement Hydrophobic

Replacement Hydrophobic

wired in Class BStyle B

Simplex 49SO-APPLC TrueAlert ES Addressable Speaker Appliance Electronics

Siemens SL2HWR-N (S54329-F85-A1) Horn Wall Red No Strobe No Lettering

Apollo 29600-528 Beam Detector Surface Mounting Plate

Honeywell Home THM5421R1021/U Prestige 2-Wire IAQ Equipment Interface Module GN-503F (918-0007-002) Replacement HydrophobicHoneywell Home THM5421R1021 U Equipment Interface Module controls up to 4 stages of heat and 2 stages of cool in a heat pump system and up to 3 stages of heat and 2 stages of cool in a conventional system Three sets of Universal IAQ contacts to control humidification, dehumidification, and ventilation. Four sensor inputs for wired sensors or dry contact devices. Equipment Interface Module controls up to 4 stages of heat and 2 stages of cool in a heat