Built with a 1 1/2 inch NPT connection and a robust cast bronze body featuring brass trim

Reliable Sealing: PTFE/Hypalon and aramid packing materials ensure a tight seal against steam and aggressive water chemistries

the compressor ensures superior lubrication and heat dissipation

effectively signaling the modulation amplifier to transition to high fire when the ambient temperature falls below your target setpoint

OEM Compatibility: A genuine York S1-025-35350-000 replacement ensuring mechanical alignment and proper thread sizing for 3/8-inch lines

Honeywell VC8711ZZ11 Actuator 320788-702 Built with a 1 1/2The Honeywell VC8711ZZ11 functions as a high performance 24V hydronic valve actuator designed for precise flow control in modern HVAC systems. This SPDT two position actuator utilizes a non spring return motor, ensuring stable positioning without power loss positioning cycles. Engineered for versatility, it is compatible with both two way VC1000 series and three way VC6000 series valve bodies. The unit features a direct coupled mounting design,