For technicians servicing large-scale hydronic systems

or tanks where rapid water intake or mechanical agitation causes sloshing

a failing stem seal leads to air bypass and inconsistent positioning

the M0036013R facilitates a seamless installation process

Operating on a 9-13 PSI spring range with a maximum control pressure of 25 PSI

Aaon R75291 Transformer 319825-402 For technicians servicing large-scale hydronicThe Aaon R75291 Transformer is a high performance HVAC replacement part engineered specifically for industrial and commercial climate control systems. This 75VA transformer efficiently steps down primary input voltages of 208 230V AC to a stable 24V AC output, providing the necessary low voltage power for thermostats, control boards, and automation circuits. As an authentic OEM HVAC component, the R75291 ensures seamless integration with existing Aaon