🔧 98523S CARLIN EZ-GAS GAS VALVE – REPLACEMENT COMBINATION GAS CONTROL (120V)
The Carlin 98523S Gas Valve is a high-performance replacement part designed for use with Carlin EZ-Gas, 201GAS, 202GAS, 702GAS, and 702G/O burners. Built with a reliable Resideo VR4305M4540 body, this single-stage combination gas control provides safe and consistent operation in gas-fired systems using direct ignition or hot surface ignition.
✅ Key Features
💚 Direct Ignition Ready – Optimized for hot surface and direct spark ignition systems.
💚 Factory-Set Pressure Regulator (3.5” W.C.) – Adjustable from 3” to 5” for precision gas flow control.
💚 Wide Mounting Flexibility – Mount 0°–90° in any direction from upright, including vertical installations.
💚 120V Operation – Compatible with standard AC systems for easy replacement.
💚 Durable Straight-Through Design – Ensures dependable gas flow with minimal restriction.
💚 Ambient Temperature Range – Performs in extreme conditions from -40°F to 175°F.
💚 Quick-Connect Terminals & Lead Wires – Includes 24-inch leads and 1/4" male quick connects for fast hookup.
💚 Single-Stage Control – Simple, dependable operation for systems rated 30–415 CFH.
📊 Technical Specifications
| Specification | Detail |
|---|
| Model Number |
98523S |
| Replacement For |
Carlin 98523 |
| Gas Valve Type |
Resideo VR4305M4540 |
| Voltage |
120V AC |
| Frequency |
60Hz |
| Current Draw |
0.14A |
| Gas Type |
Natural Gas |
| Pressure Regulator Setting |
3.5" W.C. (Adjustable 3–5") |
| Flow Capacity |
30–415 CFH |
| Ignition Type |
Direct or Hot Surface |
| Regulator Type |
Standard Opening |
| Body Pattern |
Straight-Through |
| Inlet / Outlet Size |
3/4" x 3/4" NPT |
| Leads |
24" Lead Wires |
| Electrical Connections |
1/4" Male Quick Connects |
| Temperature Range |
-40°F to 175°F |
| Mounting Position |
0°–90° from upright (any direction) |
| Stages |
Single Stage |
⚠️ Common Symptoms / When to Replace
If your gas burner is experiencing any of these issues, it may be time to replace the gas valve:
🔥 Burner fails to ignite or shuts down intermittently.
🔥 No gas flow or inconsistent flame pattern.
🔥 Unusual clicking or buzzing from the valve.
🔥 Gas smell or leaks near the control assembly.
🔥 System lockouts despite proper voltage and ignition signal.
❓ Frequently Asked Questions (FAQ)
Q: What burners are compatible with the 98523S gas valve?
A: It fits Carlin EZ-Gas, 201GAS, 202GAS, 702GAS, and 702G/O burners.
Q: Can this valve be used for propane (LP) gas?
A: This model is factory configured for natural gas only. For LP applications, a different regulator version is required.
Q: Is this valve a direct replacement for the older 98523?
A: ✅ Yes, the 98523S replaces the older 98523 model.
Q: What is the voltage rating?
A: Operates on 120V AC for direct ignition systems.
🛒 Shopping Tips
✔ Always verify the model and burner compatibility before ordering.
✔ Check gas type (Natural vs LP) to match your system.
✔ Inspect your old valve’s wiring configuration and mounting before installation.
✔ Have a qualified technician perform installation and pressure adjustments.
