5/8" Oxygen Barrier Tubing - 300 Ft. 100074398 The use of adjustable pipe

The use of adjustable pipe may be required when the system must be located within extremely tight installation parameters

The ZSR103 controls up to 3 heating circulator pumps

Comes with (6) 1/2" Fittings (HSFIT12COMPEX)

A stylish contemporary design with intuitive selectable interfaces make the Optima S thermostat the modern multi-stage controller for all types of HVAC systems

Inline Water Shut Off

5/8" Oxygen Barrier Tubing - 300 Ft. 100074398 The use of adjustable pipeUse only oxygen barrier tubing for a radiant heating system. Spacing for 1 2 tubing is usually 12 on center with a maximum sidewall height of 12 ft. You should have a minimum of R19 wall insulation, R38 ceiling insulation with 2 of extruded styrene insulation under and around the slab.