Unions fit Davey SpaQuip Spa Power 400, and 500 controllers. Also fit Raypak Spartan 131, and Ampac Pulsar Tee Heaters. For replacement o-rings: 40mm
40mm Suits:
- Piranha circulation pumps
- Ampac Pulsar Tee heaters
- SP 500 / 501 heaters
- Raypak Spartan 131 Gas Heaters
- Davey Powermaster pumps
40mm – Piranha circulation pump union, euro circ pump union, ampac pulsar union, ampac union, sp 500 union, spa power 500 union, raypak 131 union, raypak spartan union