








Compressor auto drain timer valve, 1/4, 3/8, 1/2 air tank outlet compatible
US$89.10
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Material: brass, stainless steel Size: 1/4" 3/8" 1/2" NPT Product Dimensions: 10 x 1.8 x 4.5 inches Item Weight: 2.81 pounds Voltage: 110 volts_of_alternating_current, 12...
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Product Details
- Material: brass, stainless steel
- Size: 1/4" 3/8" 1/2" NPT
- Product Dimensions: 10 x 1.8 x 4.5 inches
- Item Weight: 2.81 pounds
- Voltage: 110 volts_of_alternating_current, 120 volts_of_alternating_current
- Wattage: 15 watts
- Power Source: ac
- Included Components: 1 x Automatic Timed Drain Valve (with thickened brass ball valve and built-in SS304 filter), 1 x Plastic Protective Cover (for physical weather shielding) & 1 x Roll of PTFE Thread Seal Tape, 1 x Stainless Steel Braided Hose (with convenient 1/2" nut), 1 x User Manual, 3 x Brass NPT Adapters (1/4"-1/2" bushing, 1/4"-3/8" bushing, 1/2"-5/16" push-in tube fitting)
- Item model number: PT-15N
About this item
- What's a Compressor Auto Drain Timer Valve — A device that automatically removes water from an air compressor tank on a timer — no manual draining, no rust, no damaged tools. Every time a compressor runs, it pulls moisture from the air and traps it inside the tank. This automatic timed condensate drain valve releases that water on a set schedule, so manual draining is no required.
- WILL THIS FIT MY COMPRESSOR? — This air compressor auto drain valve with 1/4" connection. But also packed with 1/4"-3/8" bushiing and 1/4"-1/2 "bushiing. So it fit the standard drain port threads found on most residential and commercial air compressors. If the compressor has a drain port at the bottom of the tank, this valve is compatible.
- Is Automatic Compressor Drain Kit Hard To Install? — Simple installation process. All fittings are included. Thread this electronic timed drain valve onto the existing drain port and plug it in. Most installations take under 10 minutes with basic hand tools. No plumber, technician, or special skills are required.
- DOES IT REQUIRE ONGOING ADJUSTMENT? — No ongoing adjustment is needed. Set the drainage interval once on the built-in timer, and this compressor auto drain timer valve handles the rest — draining moisture at regular intervals every day without further intervention.
- HOW OFTEN DOES IT DRAIN? — The interval is fully adjustable. The built-in timer on this timed drain valve allows the user to set both the frequency and duration of each drain cycle. Light users may set it to drain twice a day; heavy shop users may prefer every few hours. It adjusts to the compressor's workload.
- IS IT LOUD OR DISRUPTIVE? — The automatic electric drain valve opens briefly at each interval, releases water, and closes again. The cycle takes only a few seconds and produces minimal noise — much quieter than the compressor itself.
- WHY IS THIS NEEDED? — Trapped water causes rust inside the tank, contaminates compressed air, and damages tools like spray guns, nail guns, and air ratchets. This automatic electronic timed air tank drain valve removes moisture before it becomes a problem — silently and automatically, every single day.
- Do Compressor Auto Drain Timer Valves require maintenance? — Yes, Check the Solenoid Valve – Inspect the solenoid coil quarterly for debris or moisture buildup that could prevent proper drainage cycles. Inspect the Drain Outlet – Ensure the outlet isn't clogged with mineral deposits or sediment. Clean the debris in the drain filter. Check Hose Connections – Examine braided hoses and quick-connect fittings for leaks, cracks, or loose connections every 6 months. Test the LED Indicator verify it lights up during drain cycles to confirm power and proper operation.
- What does the 12-hour timer mean? "The 12-hour timer means the valve automatically opens and drains water from your compressor tank every 12 hours (or any interval you set from 1-12 hours). This removes moisture that would otherwise rust your tank and contaminate your pneumatic tools."
- What's the advantage of a 12-hour timer ? The 12-hour setting reduces compressed air loss (vents less frequently), minimizes solenoid drain valve 120volt wear (fewer activation cycles), and is ideal for overnight or weekend operations.
Shipping Policy
Road & Rim ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Road & Rim will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@roadandrim.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Road & Rim replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.








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