Chat Now
Track Order
Log in or sign up
SHOP PARTS
REPAIR HELP
VIDEOS & ARTICLES
GET
PRO
PRICING
Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
365-Day Return Policy
Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
GET
PRO
PRICING
Home
Parts
Honeywell Parts
Honeywell Furnace Parts
Honeywell Furnace Sensor & Thermistor Parts
Furnace Flow Sensor
Q390A1046 Flow Sensor
Grid is 1 inch square
BBB Rating A+
Honeywell Flow Sensor Q390A1046
Genuine OEM Part # Q390A1046
RC Item # 2633239
Alternative Part Number(s)
Grid is 1 inch square
Rating (5)
5 star rating
Reviews
13 Related Expert Content
$5.60
ADD TO CART
Rating (5)
5 star rating
Reviews
13 Related Expert Content
Does this part fit my product?
Find your model number
or
log in
to select it from your saved machines.
365-Day Return Policy
24" competitve t-couple
$5.60
ADD TO CART
This part Q390A1046 is compatible with:
Product Type:
Furnace, Water Heater
Brands:
Honeywell
BBB Rating A+
Related Articles & Videos
00:45
Troubleshooting
Replace Furnace Filters - Tech Tips from Repair Clinic
View Solution
02:02
Troubleshooting
Electric Water Heater Not Heating? — Electric Water Heater Troubleshooting
View Solution
02:24
Troubleshooting
Gas Water Heater Not Heating? — Gas Water Heater Troubleshooting
View Solution
02:47
Troubleshooting
Furnace Starts Then Stops — Furnace Troubleshooting
View Solution
01:21
Troubleshooting
Gas Water Heater Pilot Not Lighting? — Gas Water Heater Troubleshooting
View Solution
Frequently Bought with Flow Sensor
Flame Sensor
Rating (5)
5 star rating
Reviews
$51.99
ADD TO CART
Igniter
Rating (5)
5 star rating
Reviews
$45.29
ADD TO CART
Limit Switch
Rating (5)
5 star rating
Reviews
$12.88
ADD TO CART
Control Board
Rating (5)
5 star rating
Reviews
$172.89
ADD TO CART
Flow Sensor Customer Reviews
Shop by Brands
Honeywell Furnace Parts
Honeywell Water Heater Parts
Repair Help by Brands and Product Type
Honeywell Furnace Repair
Honeywell Water Heater Repair
Alternative Part Number(s)
Replaces Part Number Q390A1046
Replaces Part Number Q390A1046