and UDZ-75 series heaters

offering a robust solution for contractors requiring tight shut-off and consistent performance in automated dampers

Is the 400127-088 compatible with hazardous location valves

and 0–135 PSI for light oil

ensuring safety during extreme thermal events

Watts 0856738 Valve 320788-702 and UDZ-75 series heatersThe Watts 0856738 (Model CSM 61 M1 T 3 4) is a high precision 3 4" NPT flow measurement valve engineered for critical hydronic balancing in HVAC systems. Built with a rugged bronze body, this manual balancing valve features a bi directional, positive shutoff ball design and a blowout proof stem to maintain system integrity under operational stress. Rated for 300 psi (21 bar) at 250F, it is specifically optimized for low to medium flow rates in fan