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The FM approved pressure switch ensures compliance with safety standards for fuel-fired equipment and ventilation monitoring
Its modular
and Unitary Products Group (UPG) equipment
Versatile Mounting: Can be mounted in any orientation
The integrated Over-Pressure Protection Device (OPD) is factory-assembled and certified to limit downstream pressure to safe levels in the event of a primary regulator failure
Hydrotherm 26-3211 Transformer 322838-754 The FM approved pressure switchWhen you are troubleshooting a boiler control circuit and find your 24V rail has gone dark, the Hydrotherm 26 3211 transformer is the direct OEM spec solution for restoring power to your low voltage components. This heavy duty 120V to 24V step down transformer is engineered specifically for hydronic heating systems, providing a stable 50VA capacity to drive gas valves, zone valve controllers, and digital thermostats without the risk of voltage sag. As