Maxton Manufacturing Company will transition to a new certified 120 VAC coil (#290820 set of 4 / #280820 single) in the first quarter of 2024. At the time of transition Maxton will post another notice to customers. When ordering from that point forward please use the appropriate new part number for Maxton 120 VAC coils above. In this process CSA required Maxton to test all their coils to the most current CSA C22.2 No 139-19 standard under new classes 3221-85 & 3221-05. The updated Maxton coil/valve certifications can be viewed here CSA Certification Link If you have any technical questions, please don’t hesitate to contact Maxton tech support at firstname.lastname@example.org .