The Dwyer WM-ACC-C12 is a 3/4 in. BSPP to BSPT connector set for Dwyer Series WM2 and WMT2 multi-jet water meters. It adapts the BSPP meter spud to BSPT pipe thread, and is the spare or replacement pair for the couplings supplied with the meter.
Series WM2 and WMT2 meters ship with a coupling set, so this part is normally ordered as a spare, as a replacement for a damaged or seized coupling, or when a meter is moved to a new service line. Sizing follows the meter coupling size, not the meter body size: a 3/4 in. meter coupling takes the 3/4 in. connector set.
Compliance and Safety
Not for potable water use. This connector set is brass and contains lead in excess of low-lead limits. Use on non-potable service only.
California Proposition 65 WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
RoHS 2015/863 compliant for the Series WM2 and WMT2 product family.
Technical Specifications
| Manufacturer Part Number | WM-ACC-C12 |
| Accessory Type | Connector set, sold as a set |
| Nominal Size | 3/4 in. |
| Meter Side Thread | BSPP |
| Pipe Side Thread | BSPT |
| Compatible Series | Dwyer Series WM2 and Series WMT2 multi-jet water meters |
| Material | Brass |
| Service | Water |
| Potable Water Use | Not approved. Brass contains lead in excess of low-lead limits |
Series specifications are transcribed from the Dwyer Series WM2 and WMT2 catalog page (FLOW / Water Meters, p. 283) and Bulletin F-WMT2, FR# 444046-00 Rev. 4, printed 9/16. Content verified against those documents on August 2, 2026. Accessory description, thread standards, and RoHS status verified against the DwyerOmega Series-WM2-WMT2 accessories listing on August 2, 2026.
Compatible Meters
Frequently Asked Questions
What does the Dwyer WM-ACC-C12 connect?
It adapts the 3/4 in. BSPP meter spud on a Series WM2 or WMT2 water meter to BSPT pipe thread.
Which meters does the WM-ACC-C12 fit?
Any Dwyer Series WM2 or WMT2 multi-jet water meter with a 3/4 in. coupling size.
Do Series WM2 and WMT2 meters already come with couplings?
Yes. The meters ship with coupling adapters included. This connector set is ordered as a spare or a replacement.
- Type:
- Water Meter Accessory
- Accessory Type:
- Connector Set
- Series:
- WM2 / WMT2
- Connection Type:
- BSPT
- Connection Size:
- 3/4 in.
- Body Material:
- Brass