Hydronic Switching Relay

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  • Provides switching of a line or low-voltage device from a line or low-voltage controller; typically applied in hydronic heating systems
  • Relay for use with external 24VAC or 24VDC supply, with line-voltage control, or with internal 24V transformer supply
  • Push-to-test button
  • Long-life DC relay drive control technology
  • Secondary of transformer protected by replaceable 1A automotive-style fuse


Electrical ratings: primary voltage 120VAC; contact ratings: 120VAC, 60 Hz, 15A FL, 30A ALR, 2000VA max. on line voltage contacts |Switching action: SPDT, plus Powerpile® rated low voltage SPST relay |Ambient temperature: -20°F to +120°F |Dimensions: 6-1/4" H x 4-7/16" W x 3-1/2" D

Product Specifications

Shipping Weight2.10
Shipping Width4.57
Shipping Length6.14
Shipping Height3.54

Compliance & Notes

Harmonize Code8537109070

See catalog page 491 for additional notes and/or restrictions.

Warranty Information

WARRANTY - Johnstone Supply will administer and promptly process all warranties in accordance with the manufacturer's specific warranty policies and procedures.

WHOLESALE ONLY - Identification is required of purchasers. Possession of Johnstone's catalog does not constitute an offer to sell by Johnstone or the right to purchase from us.

RETURNS - All returns are subject to a restocking charge.

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See other: Honeywell - Relays
See all: Honeywell Products

Mfg. #: RA889A1001