this is a 120Vac actuator

OEM Precision: Genuine 143-16-021-03 construction ensures exact spring rates for the Sensus 243-12 and 121 series

this assembly ensures stable ignition control and consistent thermal efficiency

Featuring the Yorkguard demand defrost logic

Precise Flow Control: Equal percentage flow characteristic for stable and accurate modulation in variable flow hydronic systems

Conbraco 10-608-25 Valve 326058-757 this is a 120Vac actuatorThe Conbraco 10 608 25 Valve is a heavy duty ASME Section IV high capacity pressure relief valve designed specifically for the protection of hot water heating boilers and large scale hydronic systems. This 2 inch FNPT model is National Board capacity certified, featuring a robust bronze body construction (ASTM B584) and a silicone seat to ensure positive shut off and thermal resistance up to 250F. With a factory set pressure of 125 PSI and a massive