🔥 Resideo VR8304H4503 Intermittent Pilot Gas Valve – Slow Opening, 3/4” x 3/4”, 24V
🧭 Product Overview
The Resideo VR8304H4503 Intermittent Pilot Gas Valve is a compact, dual automatic valve combination gas control engineered for reliable performance in 24V intermittent pilot heating systems. Designed for furnaces, boilers, and other gas-fired appliances, it offers slow-opening regulation for quiet ignition and precise gas flow control.
This valve features dual safety shutoff, a built-in pressure regulator, and manual control, ensuring dependable and safe operation. It’s also field-convertible for Natural or LP gas use with the included Resideo 393691 LP conversion kit.
The VR8304H4503 is compatible with control modules such as S86, S860, S8610, and S90 series, making it an ideal universal replacement solution for intermittent pilot systems.
✅ Key Features
✔️ Slow Opening Operation: Reduces ignition noise and enhances burner stability.
✔️ Dual Safety Shutoff Valves: Meets code requirements for added safety.
✔️ Universal Compatibility: Works with S86, S860, S8610, and S90 control modules.
✔️ Field Convertible: Includes Natural-to-LP gas conversion kit (393691).
✔️ Adjustable Pressure Regulator: Maintains steady gas flow despite supply fluctuations.
✔️ Flexible Mounting: Install in any position within 0°–90° of upright (even vertical).
✔️ 24V Operation: Designed for standard control circuits.
✔️ Compact Design: Easy to install in tight equipment compartments.
✔️ Accessible Layout: All adjustments, terminals, and pilot outlets are top-mounted.
✔️ Includes 395392 Female Connectors (3/16″) for quick wiring connections.
⚙️ Specifications
| Specification | Details |
|---|
| Brand |
Resideo (Honeywell Home) |
| Model |
VR8304H4503 |
| Type |
Intermittent Pilot Gas Valve |
| Valve Type |
Single Stage, Slow Opening |
| Action |
Intermittent Pilot |
| Mounting Orientation |
0°–90° from upright (including vertical) |
| Fuel Type |
Natural Gas (LP convertible with kit) |
| Conversion Kit |
Included – Resideo 393691 (LP) |
| Connectors Included |
Resideo 395392 (3/16″ female connectors) |
| Voltage |
24 VAC |
| Frequency |
60 Hz |
| Capacity Range |
30,000 – 415,000 BTUh |
| Pressure Rating (psi) |
1/2 PSI |
| Regulator Setpoint |
3.5 in. w.c. (0.87 kPa) |
| Inlet/Outlet Size |
3/4″ x 3/4″ NPT |
| Pilot Outlet |
1/4″ OD tubing compression fitting |
| Pressure Tap |
1/8″ NPT with plug |
| Operating Temperature Range |
0°F to +175°F |
| Ignition Source |
Intermittent Pilot |
| Compatible Modules |
S86F/H, S860D, S8600F/H, S8610, S90A/B |
| Safety Features |
Dual automatic valves with 100% shutoff |
⚠️ Common Symptoms Indicating Replacement Needed
-
Delayed or noisy ignition start
-
Pilot light failing to stay lit
-
Inconsistent burner flame or gas pressure
-
Furnace or boiler fails to respond to call for heat
-
Gas valve not opening or closing fully
💬 (FAQ) Frequently Asked Questions
Q: Is this gas valve compatible with my furnace or boiler?
A: It’s compatible with most 24V intermittent pilot systems using Honeywell/Resideo S86, S860, S8610, or S90 control modules.
Q: Can I use this valve with LP gas?
A: Yes — the LP conversion kit (393691) is included for easy field conversion.
Q: What makes this a “slow-opening” valve?
A: The slow-opening feature reduces ignition noise and ensures smoother gas flow during start-up.
Q: Does it include safety shutoff?
A: Yes — it includes dual automatic valves for full shutoff protection during flame loss or power failure.
Q: Can it be mounted vertically?
A: Yes — it can be mounted 0° to 90° from upright, including vertical orientations.
🛒 Shopping Tips
-
Verify your system’s control module type before replacement.
-
Check that your inlet/outlet connections are 3/4” NPT.
-
Confirm you’re replacing a slow-opening valve (not standard opening).
-
Always use included conversion kit if switching fuel type.
-
For best results, replace valve and ignition control together in older systems.
