shop-quality connection on every service call

Precision Monitoring: Employs NDIR sensing technology with gold-plated optics for +/- 3% accuracy in standard ranges

9-amp inductor ensures that your heating and cooling equipment maintains optimal airflow and cooling cycles without electrical fluctuations

always verify the boiler's rating plate and the valve's technical data before attempting a conversion

The PS1201A00 is a dedicated 120 Vac power supply

Watts 0121575 Valve mario shop-quality connection on every serviceThe Watts 0121575 is a high capacity ASME Section IV water pressure relief valve engineered for commercial hot water heating and domestic supply boiler systems. Built with a lead free copper silicon alloy body, the Watts LF174A 2 inch valve is designed to manage thermal expansion and provide overpressure protection in demanding mechanical rooms. This model features a 150 PSI pressure setting and is capable of a massive steam discharge capacity of