This unit features dual 1/4" barb connections for secure pneumatic tubing attachment

or the blower wheel

making it an ideal choice for general service HVACR systems and automation control

What is the primary difference between the EM45HHR1 and the EMI45HER1

By utilizing an ASCO valve repair kit

Resideo L8124A1015 Relay 321142-301 This unit features dual 1/4"The Resideo L8124A1015 Relay is a heavy duty triple aquastat relay designed for reliable boiler temperature control and multizone forced hydronic heating applications. Engineering for efficiency, this immersion type controller integrates high limit protection with low limit and circulator control, ensuring consistent domestic hot water service while protecting the system from overheating. It features an operating humidity range of 0 95% RH and a