Does this comes with the glass?

Yes it does the little glass in the middle is what break and causes the water heater not to work properly

my water heater is automatic start. I got wet from flood and now wont start. A plumber told me I need a over heat fuse. Anyone know what that is?

This is a type of overheat fuse, usually found in GE or Hotpoint water heaters

Will this work for a Richmond water heaters?

We have a Richmond water heater and it works for ours.

What temperature are these rated at?

I could not find a published temperature rating on this device. This device was mandated on all 30,40,50 gallon water heaters in 2003 to prevent what's called a flashback vapor ignition fire. the little knob that pushes on the glass is connected to a flame arrestor plate. if the combustion chamber gets too hot like when the airflow gets cut off... it will heat the oil and pop the cylinder, closing off the vent and suffocating the flame, the gas valve also has a sensor that cuts it off... if this tripped, it's not as a matter of old age and may not necessarily be related to the temperature your running the water heater at... the glass looks weak, but it's not... the oil inside of the glass has to heat up expand and pop it... keep in mind that these are good for running at pretty good level of heat however, the hotter you run the unit, the faster it will age the combustion chamber and components and the more risk you take of replacing it again in a year or two... but it's likely that anyone that has to replace one of these has a ventilation issue... or maybe some chemical vapor like gasoline vapors which are heavier than air and nearby causing vapors to leak into the air intake.. These shouldn't just randomly pop so be sure that when you replace it, be meticulous that the intake and exhaust are free of obstructions...

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Water Heater FVIR (Flammable Vapor Ignition Resistant) or FTR Fixed Thermal Release

Water Heater FVIR (Flammable Vapor Ignition Resistant) or FTR Fixed Thermal Release

Product ID: 271740238

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Details

Brand
Petercor
Capacity
50 Gallons
Power source
Corded
Product dimensions
48W x 38H
Special features
Combustion Off

🔥Flammable Vapor Ignition Resistant

⚙️Interchangeable with most models

🛠️Factory Direct Quality Assurance

Description

🔥 Upgrade your water heater safety game with FVIR tech!

BUILT TO LAST - Durable metal construction ensures long-lasting performance under daily use.
TRUSTED QUALITY - Factory direct from Petercor Industries, guaranteeing premium standards and reliability.
SAFETY FIRST ALWAYS - Advanced FVIR technology prevents dangerous vapor ignition, keeping your home secure.
LIGHTWEIGHT COMPACT - At just 18g and under 5cm, it installs easily without bulk or hassle.
SEAMLESS COMPATIBILITY - Fits most water heater models effortlessly—no guesswork, just perfect fit every time.

The Petercor Industries FVIR (Flammable Vapor Ignition Resistant) Fixed Thermal Release part is a compact, lightweight metal accessory designed to enhance water heater safety by preventing vapor ignition. Compatible with most FVIR-type water heaters and backed by factory direct quality assurance, it offers reliable combustion shut off functionality for up to 50-gallon systems.

Specifications

Brand	Petercor Industries
Model Number	TRD
Color	Yellow/Silver
Product Dimensions	4.76 x 4.76 x 3.81 cm; 18 g
Capacity	50 Gallons
Material	Metal
Special Features	Combustion Shut Off
Item Weight	18 g

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