Designed with a standard 1/4" barb connection for vacuum tubing and 3/16" male terminals

but the cabinet can often accommodate higher MERV ratings if the system's static pressure limits allow for the increased resistance

The York S1-024-19082-703 Heat Sequencer Relay is a vital component for staged heating control in residential and commercial air handlers and electric furnaces

confirming the valve has fully moved to the open position before the heat source activates

With a continuous amperage sensing range of 1 to 135A

Marley Engineered Products 5813-0024-000 Thermostat Els PW 17895 Designed with a standard 1/4"Professional grade climate control starts with the Marley Engineered Products 5813 0024 000 Single Pole Thermostat. This OEM spec replacement part is specifically engineered for Qmark and Marley heating systems, including high demand baseboard heaters and wall heaters like the J400B and J750B series. As a veteran preferred HVAC control thermostat, it provides a 120F setpoint limit, ensuring precise thermal management and safety in both commercial and