100109935

The A.O. Smith 100109935 Lochinvar Pressure Switch Flue 9004550215 is an essential safety component for natural or propane gas-fired water heaters and boilers. This pressure switch is specifically designed for use with Lochinvar appliances, ensuring a perfect fit and reliable operation.

The switch features an innovative design that includes a pressure sensing diaphragm and a solenoid valve. This design allows the switch to automatically respond to changes in pressure within the appliance's flue system. When the pressure drops below a safe level, the solenoid valve opens, allowing make-up air to enter the appliance, maintaining proper combustion and preventing damage.

The A.O. Smith 100109935 Lochinvar Pressure Switch Flue 9004550215 is built with high-quality materials to ensure durability and longevity. The switch housing is constructed from heavy-duty cast aluminum, providing excellent resistance to corrosion and thermal shock. The diaphragm is made from a robust elastomer material, offering superior flexibility and durability.

Installation of the pressure switch is straightforward, thanks to its user-friendly design. The switch comes with clear installation instructions, and the solenoid valve is easily accessible for maintenance. The switch also includes a test point, allowing users to verify its operation and ensure safe and efficient appliance operation.

Overall, the A.O. Smith 100109935 Lochinvar Pressure Switch Flue 9004550215 is an essential accessory for any Lochinvar natural or propane gas-fired water heater or boiler. Its innovative design, high-quality materials, and easy installation make it a reliable and effective safety component, ensuring the appliance operates at optimal performance while maintaining the safety of your home or business.

The A.O. Smith 100109935 Lochinvar Pressure Switch Flue 9004550215 is a crucial component for ensuring the safe and efficient operation of your heating system. This pressure switch is designed for use with Lochinvar's high-efficiency heating appliances. Here are some pros and cons to help you make an informed decision about purchasing this part:

1. Safety: The pressure switch is an essential safety feature that monitors the pressure in the flue system to prevent dangerous backdrafts.

2. Durability: A.O. Smith is a reputable brand known for manufacturing high-quality heating components, including this pressure switch.

3. Easy Installation: This pressure switch is designed to be a direct replacement for the original switch, making installation relatively straightforward.

4. Compatibility: This switch is compatible with a wide range of Lochinvar heating appliances, including boilers and water heaters.

1. Cost: The cost of this pressure switch may be higher than some other brands or models, but the increased price may be worth it for the reliability and safety features.

2. Availability: Depending on where you live, you may have difficulty finding this specific pressure switch in local retail stores.

The A.O. Smith 100109935 Lochinvar Pressure Switch Flue 9004550215 is an essential safety component for your heating system. Its durability, compatibility, and ease of installation make it a worthwhile investment, even if the cost is higher than some other options. If you own a Lochinvar heating appliance and need a new pressure switch, this is an excellent choice.

If you're in the market for a new pressure switch for your Lochinvar heating appliance, consider the A.O. Smith 100109935 Lochinvar Pressure Switch Flue 9004550215. Its reliability, safety features, and compatibility make it an excellent choice for ensuring the safe and efficient operation of your heating system.

Details:

Smith 100109935 pressure switch flue. New - lochinvar.o.

specifications indusswitch:

• brand: A.o. Smith
• mpn: 100109935
• part type: Pressure Switch
• fuse type: Switch

returns indusswitch:

• policy: no returns

general indusswitch:

• category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches

shipping indusswitch:

• carrier: usps
• service: usps ground advantage
• transit: 4-10 days
• class: standard
• type: calculated

offer indusswitch:

• prices: $61.95–$91.38
• item condition:
  • New
  • New – Open box
• sold #: 13
• availability: in stock
• best offers: true
• started: january 4, 2026
• in stock #: 3
• options: ship-to-home

seller indusswitch:

• # reviews: 8218
• city: wagoner, oklahoma
• rating: 99.9%

payments indusswitch:

• other
• wallet: apple-pay
• credit card: mastercard

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