Intermatic Stand Offs For Mounting Wiring Devices 4Pk | 21T156A
Intermatic
SKU: 21T156A
Intermatic 21T156A Spacer / Stand-Off Posts, 3" Long (4-Pack)
Intermatic 21T156A is a 3-inch spacer/stand-off post kit (4-pack) used inside compatible Intermatic pool/spa control centers, load centers, and control panels. These stand-offs are commonly used to mount wiring devices (such as toggle switches, GFCIs, and other panel components) to the back panel while properly spacing them behind the dead front/knockout openings.
Key Features
- Part Number: 21T156A
- Brand: Intermatic
- Product Type: Spacer / stand-off posts
- Length: 3"
- Pack Quantity: 4 stand-offs
- Material: Metal
- Color: Silver
- Common uses: mounting toggle switches, GFCIs, and other wiring devices inside Intermatic pool/spa panels
- Typical applications: distribution/control panels, motor control, pump control
Applications
Ideal for adding or replacing stand-off posts when mounting wiring devices in Intermatic pool/spa load centers and control panels—especially when adding on-demand controls for lighting, water features, or auxiliary equipment.
Usage Notes
- Confirm the control panel/load center and the device you’re mounting are compatible with a stand-off mounting style.
- Typically used behind a dead front after removing the appropriate knockout opening.
- Use appropriate screws/hardware and follow electrical code requirements for panel work.
- Professional installation is recommended for electrical panel modifications.
Related Products
- Intermatic Load Center Parts
- Intermatic Pool & Spa Control Panels
- Intermatic Timer Parts
- Pool Control Panel Accessories
- GFCI Devices & Spa Panel Electrical
Maintenance Tips
- Inspect panel hardware periodically for corrosion, looseness, or heat discoloration (power off first).
- Keep enclosures sealed to reduce moisture and insect intrusion.
- Replace stripped or corroded hardware promptly to maintain secure device mounting.
- Verify mounted devices remain aligned with the dead front openings after service.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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