including the D4120 and D2E models

Constructed from 3/16" Tygothane for industrial-grade durability and resistance to environmental degradation

using genuine Spence replacement gaskets is the standard practice to reduce downtime and prevent premature mechanical failure in high-pressure steam distribution and hydronic applications

this tee maximizes sealing surface area and provides sufficient clearance for tightening flare nuts without bottoming out

The MARS 92340 Relay is a heavy-duty DPDT 24V relay designed for demanding switching applications in residential and commercial HVAC units

Honeywell R4222B1082 Relay including the D4120 and D2EThe Honeywell R4222B1082 is a heavy duty, general purpose SPDT switching relay designed for demanding applications in refrigeration, air conditioning, and commercial appliances. Engineered with a 120V coil rating, this 12 amp relay is a direct professional grade replacement for the 90 101 switching relay and is plug compatible with Steveco 90 340 and Mars 90340 models. For efficient field diagnostics, the unit features molded terminal numbers and a