Resideo Dual Direct Ignition/Intermittent Pilot Gas Valve

Resideo VR8345H4555/U Dual Direct Ignition/Intermittent Pilot Gas Valve

Item #: HONE-VR8345H4555/U
Mfr. part #: VR8345H4555/U
UPC: 085267797313

Key specifications

Voltage24 Vac
Pressure Rating1/2 psi
Inlet/Outlet Size3/4 in. x 3/4 in.
Body PatternStraight-through
Opening CharacteriSlow Opening

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$215.57

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Shipping details

Shipping weight: 2.0 lb
Box size: 5.9 × 4.8 × 3.25 in

Installation by a licensed gas technician is required. Confirm the part against your appliance's parts list.

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Brand	Resideo
Manufacturer part #	VR8345H4555/U
Inlet/Outlet Size	3/4 in. x 3/4 in.
Body Pattern	Straight-through
Capacity (kBtuh)	At 1 in. wc p.d.-- 300,000 BTUh: 30,000 BTUh minimum
Opening Characteristics	Slow Opening
Voltage	24 Vac
Frequency	60 Hz
Electrical Connections	1/4 in. quick-connect male terminals
Pressure Rating	1/2 psi
Regulator Setpoint	3.5 in. wc
Pressure Tapping	1/8 in. NPT with plug
Operating Temperature	0 F to 175 F
Type of Fuel	Natural
Ignition Type	Direct Ignition; Intermittent Pilot
Mounting	0 to 90 degrees in any direction from the upright position of the gas control knob, including vertically.
Application	Single Stage
Includes	Natural to LP Conversion Kit; Two 3/4 x 1/2 in. reducer bushings
Dimensions	5 3/8 in. high x 4 1/16 in. wide x 2 11/16 in. deep
UL	UL Component Recognized.
CSA	CSA International: 112395
UPC	085267797313

The VR8345H4555 is a two-stage gas control valve from Resideo (Honeywell Home) for universal appliances.

The gas valve is the component that admits fuel to the burner and shuts it off. It carries the main shutoff, the pressure regulator that holds manifold pressure steady as supply pressure varies, and the safety interlock that keeps gas off until the control system has proved it is safe to light.

This is a universal valve, built to serve intermittent pilot and direct ignition systems both. One part number covers applications that would otherwise take two, which is why it is the valve a service truck carries.

Two-stage firing lets the appliance run at part load for most of the season and only go to full rate when the load demands it. Longer, gentler burns hold temperature more evenly and cut the cycling losses that come with a single-stage burner switching hard on and off.

Gas appliance safety. A gas valve must match the appliance it is fitted to — ignition system, capacity, inlet pressure and gas type. Replacement is work for a licensed gas technician, and the appliance manufacturer's parts list is what decides the correct valve, not the physical fit of the threads. If the replacement does not match, the appliance can fail to light, fail to prove flame, or overfire.