Parts

Sigma 9/16" Threaded Extension Tube 18.30.065

Sigma Thermostatic Extension Set Short Length (1-1/2" Threaded Tube and 2-1/4" Square Tube) 18.12.060

Sigma Brass Stem and All-thread 20 Point 18.30.119

Sigma Brass Stem and All-thread 16 Point 18.30.122

Sigma Brass Stem and All-thread 20 Point 18.30.123