Robertshaw 620-202 Transformer For contractors dealing with frequent

For contractors dealing with frequent water heater or boiler service calls

frequent trips are usually indicative of restricted airflow

As a genuine HVAC start relay

manufacturer-approved repair that maintains the integrity of the combustion cycle

the 240VAC rating typically covers standard 208/230V residential and commercial applications

Robertshaw 620-202 Transformer For contractors dealing with frequentThe Robertshaw 620 202 is a professional grade 120V to 24V step down transformer designed for reliable power delivery in HVAC control circuits. Rated at 20VA, this plug in transformer eliminates the need for complex hardwiring, making it an ideal choice for service calls involving low voltage thermostats, zone valves, and electronic control boards. Its compact design features a standard two prong primary plug and screw terminals on the secondary side,