provided the regulator body is a Maxitrol 325-5

If there is no continuity or a high resistance reading

When you're servicing commercial rooftop units or residential air handlers that require a reliable 24V control circuit

Flexible Installation: The 8-foot lead is factory-calibrated for Ranco ETC series controllers but can be extended up to 400 feet for remote monitoring

Watts 0121346 Valve provided the regulator body isThe Watts 0121346 (Model 100XL 8 125) is a high capacity T&P relief valve designed for domestic hot water storage tanks and water heaters. This 3 4 inch unit features an extended thermostat (8 inch probe) to ensure accurate thermal sensing in deep insulated tanks. With a 125 PSI pressure setting and a 100,000 BTU hr CSA temperature steam rating, it provides critical over pressure and over temperature protection. This specific model is the lead free