Pay in 4 interest-free payments of $30.20 Learn more
Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
preserving the static pressure performance of the furnace or modular blower
Durable construction ensures consistent tension and gas flow regulation under varying inlet pressures
Can this be used in horizontal air handler configurations
" leading to inaccurate stagings
as long as the system specifications match the 18M40 technical data
Reznor 121884 Relay 30067439-890 preserving the static pressure performanceThe Reznor 121884 Relay is a specialized OEM time delay relay designed for precise sequencing in industrial gas heat sections. Engineered for compatibility with Reznor PDH, RDH, and SDH series models, this 120VAC component ensures critical timing between the ignition cycle and blower activation. By managing the HVAC fan delay, it prevents the delivery of cold air into a space during the heat exchangers warm up phase, while enabling a post purge cycle