Skip to product information
Usually ships in 2–4 business days.
36680 36133 31377 Sail Switch Furnace LowAirFlow Hydro Flame for Atwood
$22.99
Sale price
$22.99
Regular price
Available to Order
This Sail Switch is a low air flow switch for Hydro Flame furnaces, compatible with Atwood models 36680, 36133, and 31377 and matches OEM Part# 36680, 36133, 31377.
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This sail switch detects low air flow in Hydro Flame RV furnaces. It is a direct replacement for Atwood models 36680, 36133, and 31377. Used in mobile home and recreational vehicle heating systems, it ensures safe operation.
Key Features & Performance
- Accurate low air flow detection
- Direct replacement for original Atwood switches
- Easy plug-in or screw terminal installation
- Durable construction for long life
- Ensures furnace safety shutdown on low airflow
Fitment & Compatibility
- Atwood 36680
- Atwood 36133
- Atwood 31377
Common Uses
- RV furnace air flow monitoring
- Mobile home heating systems
- Hydro Flame brand furnace repair
- Replacement of faulty sail switches in campers
Technical Specifications
- Part Number(s): 36680, 36133, 31377
- Type: Low air flow sail switch
- Material: Plastic and metal components
Frequently Asked Questions
Q: Is this sail switch compatible with my Hydro Flame furnace? A: It fits Atwood models 36680, 36133, and 31377; check your furnace model plate before purchase.
Q: How does the sail switch prevent unsafe operation? A: It detects insufficient airflow and opens the circuit, causing the furnace to shut down as a safety measure.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.