1.5" Spa Pump Split Nut Repair Part

1.5" spa and bath PUMP union split nut 
NOT the most common size (2" is most popular) 
Suitable for 40mm / 1.5" pump unions - on 
LX JA, TDA, DH1.0 ranges
LX heaters - H15 / H20 / H30
CSN Turbo-Tech pumps 
Edgetec Midjet and Triflo pumps 
Xylem E-14 pumps 
Balboa Vico Ultima cric pumps

NOT SUITABLE FOR Aquaflo Circ-Master and FMHP pumps due to short thread on the split nut, and the large length before the pump thread starts

1.5" FPT thread
55mm ID collar to slip over pump male tail 

Use to replace broken pump union lock nut without cutting the plumbing.

Also use for conversion from one pump type to another without the need to replumb - used when existing pump union nut needs replacing instead of replumbing the complete union. 
Applications where the split nut can be used:
Replacing spa bath pump to a Triflo bath pump you can avoid union replacement from the following bath pumps:
Davey XS series 
Davey Celsior series 
Waterco Delta Hot Mk2 (outer lip must be filed down to suit.)

NB Not sized for a perfect fit for most 1.5" pump union tails without grinding the 55mm ID collar to a slightly larger diameter.
Will suit LX, Waterway and others with slight enlarging.

Not suited to heater tubes other than LX H15 / H20 /H30 40mm heaters