Search

2-40-000421 FULTON LOW WATER SAFETY RELAY

Manufacturer: Fulton
SKU: FULTON:2-40-000421
Product Availability: 1
$310.80
This product must be purchased in increments of 1
i h

💧 2-40-000421 FULTON LOW WATER SAFETY RELAY

🧭 Product Overview

The Fulton 2-40-000421 Low Water Safety Relay is a critical safety device designed to protect boilers and water heaters by interrupting the system in low-water conditions. It ensures safe operation by preventing the heating system from running without sufficient water, which could cause damage or hazards.


⚠️ Notes

  • Type: Low-Water Safety Relay

  • Pins: 10-pin

  • Voltage: 120 VAC

  • Frequency: 50/60 Hz

  • Current Rating: 10 Amp

  • Load: 120/240 VAC @ 1/3 HP

  • Power Consumption: 1.5 VA


⚙️ Key Features

  • ✅ Ensures safe operation of boilers and water heaters

  • ✅ Protects against low-water conditions that could damage equipment

  • ⚡ 10-pin connection for easy integration into existing systems

  • 🔌 Standard 120 VAC operation with a 10 Amp rating

  • 🛠️ Compact and durable for reliable long-term use


⚙️ Technical Specifications

SpecificationDetails
Manufacturer Fulton
Model 2-40-000421
Type Low-Water Safety Relay
Voltage 120 VAC
Current 10 Amp
Frequency 50/60 Hz
Pins 10-pin
Load 120/240 VAC @ 1/3 HP
Power Consumption 1.5 VA

⚠️ Common Symptoms / When to Replace

  • 🔄 Boiler or heater fails to start despite normal conditions

  • ⚠️ Relay does not trip during low-water conditions

  • 🛠️ Frequent system lockouts

  • 💧 Water level alarms ignored or not functioning


❓ Frequently Asked Questions (FAQ)

Q: What is the purpose of this relay?
A: It protects boilers and water heaters by shutting off the system when water levels are too low.

Q: Is it compatible with all Fulton boilers?
A: ✅ Compatible with most Fulton low-water cutoff and safety systems; always check your model specifications.

Q: What type of load can it handle?
A: Rated for 120/240 VAC up to 1/3 HP.

Q: How is it powered?
A: Standard 120 VAC supply, consuming only 1.5 VA.


🛒 Shopping Tips

  • ✅ Confirm your system requires a 10-pin low water relay

  • ⚡ Ensure voltage and load ratings match your equipment

  • 🛠️ Check compatibility with your boiler or water heater model

Products specifications
Manufacturer Fulton