Honeywell VR8300C4506 Valve R-410A Durable Construction: Heavy-duty bellows and

Durable Construction: Heavy-duty bellows and internal components designed for industrial-duty cycles

use the appropriate terminals to ensure the circuit opens on a drop in suction pressure

Optimized Flow Control: The included STR-WF2 orifice ensures the water feeder delivers the exact volume required by the boiler’s evaporation rate

the Venstar VST3800 Thermostat serves as the definitive genuine OEM replacement for obsolete units including the VST1800

Honeywell VR8300C4506 Valve R-410A Durable Construction: Heavy-duty bellows andThe Honeywell VR8300C4506 is a high capacity dual automatic combination gas valve designed for 24 Vac gas fired standing pilot appliances. This step opening control is engineered to manage natural gas flow in systems with capacities ranging from 30,000 BTU up to 290,000 BTU at a 1 inch pressure drop. It features a 3. 5" water column full rate setting with a 0. 9" w. c. step, providing a smooth transition to full burner ignition and reducing mechanical